[gimp] icons: add the new icons64_system_image group to EXTRA_DIST

[Michael Natterer <mitch src gnome org>]

commit 9d3be6177c12fbf2ce04fb66b0dafefe7184c3df
Author: Michael Natterer <mitch gimp org>
Date:   Wed Jun 7 21:04:33 2017 +0200

    icons: add the new icons64_system_image group to EXTRA_DIST
    
    and clean up some tabs in various Makefiles.

 icons/Color/Makefile.am    |   33 +++++++++++++++++----------------
 icons/Legacy/Makefile.am   |    4 ++--
 icons/Symbolic/Makefile.am |   33 +++++++++++++++++----------------
 icons/icon-list.mk         |    2 +-
 4 files changed, 37 insertions(+), 35 deletions(-)
---
diff --git a/icons/Color/Makefile.am b/icons/Color/Makefile.am
index c6c4480..56f76e7 100644
--- a/icons/Color/Makefile.am
+++ b/icons/Color/Makefile.am
@@ -24,22 +24,23 @@ ICON_IMAGES = \
        64/gimp-wilber-eek.png
 
 EXTRA_DIST = \
-       $(icons_DATA)           \
-       $(icons12_images)       \
-       $(icons16_images)       \
-       $(icons18_images)       \
-       $(icons20_images)       \
-       $(icons22_images)       \
-       $(icons24_images)       \
-       $(icons32_images)       \
-       $(icons48_images)       \
-       $(icons64_images)       \
-       $(icons96_images)       \
-       $(icons128_images)      \
-       $(icons192_images)      \
-       $(icons256_images)      \
-       $(scalable_images)      \
-       $(vector24_images)      \
+       $(icons_DATA)                   \
+       $(icons12_images)               \
+       $(icons16_images)               \
+       $(icons18_images)               \
+       $(icons20_images)               \
+       $(icons22_images)               \
+       $(icons24_images)               \
+       $(icons32_images)               \
+       $(icons48_images)               \
+       $(icons64_images)               \
+       $(icons64_system_images)        \
+       $(icons96_images)               \
+       $(icons128_images)              \
+       $(icons192_images)              \
+       $(icons256_images)              \
+       $(scalable_images)              \
+       $(vector24_images)              \
        color-scalable.svg
 
 noinst_DATA = \
diff --git a/icons/Legacy/Makefile.am b/icons/Legacy/Makefile.am
index c50aca3..75043bf 100644
--- a/icons/Legacy/Makefile.am
+++ b/icons/Legacy/Makefile.am
@@ -38,8 +38,8 @@ icons12_DATA = \
        12/gimp-zoom-follow-window.png
 
 icons16_DATA = \
-       16/gtk-edit.png                                         \
-                                                                               \
+       16/gtk-edit.png                                 \
+       \
        16/gimp-anchor.png                              \
        16/gimp-cap-butt.png                            \
        16/gimp-cap-round.png                           \
diff --git a/icons/Symbolic/Makefile.am b/icons/Symbolic/Makefile.am
index 458454b..c142627 100644
--- a/icons/Symbolic/Makefile.am
+++ b/icons/Symbolic/Makefile.am
@@ -26,22 +26,23 @@ ICON_IMAGES = \
        64/gimp-wilber-eek.png
 
 EXTRA_DIST = \
-       $(icons_DATA)           \
-       $(icons12_images)       \
-       $(icons16_images)       \
-       $(icons18_images)       \
-       $(icons20_images)       \
-       $(icons22_images)       \
-       $(icons24_images)       \
-       $(icons32_images)       \
-       $(icons48_images)       \
-       $(icons64_images)       \
-       $(icons96_images)       \
-       $(icons128_images)      \
-       $(icons192_images)      \
-       $(icons256_images)      \
-       $(scalable_images)      \
-       $(vector24_images)      \
+       $(icons_DATA)                   \
+       $(icons12_images)               \
+       $(icons16_images)               \
+       $(icons18_images)               \
+       $(icons20_images)               \
+       $(icons22_images)               \
+       $(icons24_images)               \
+       $(icons32_images)               \
+       $(icons48_images)               \
+       $(icons64_images)               \
+       $(icons64_system_images)        \
+       $(icons96_images)               \
+       $(icons128_images)              \
+       $(icons192_images)              \
+       $(icons256_images)              \
+       $(scalable_images)              \
+       $(vector24_images)              \
        symbolic-scalable.svg
 
 noinst_DATA = \
diff --git a/icons/icon-list.mk b/icons/icon-list.mk
index e6390dc..ea6c4bd 100644
--- a/icons/icon-list.mk
+++ b/icons/icon-list.mk
@@ -1030,7 +1030,7 @@ icons64_images = \
 icons64_system_images = \
        64/gimp-error.png                                       \
        64/gimp-info.png                                        \
-       64/gimp-question.png                            \
+       64/gimp-question.png                                    \
        64/gimp-warning.png
 
 icons96_images = \