[gtk+] Drop an unused variable

[Matthias Clasen <matthiasc src gnome org>]

commit 6e65f4235d5c6ac8cae79863a1374d00aebc1592
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Nov 30 14:59:18 2014 -0500

    Drop an unused variable
    
    This is another leftover from when we were doing export checks.

 gtk/Makefile.am |    5 -----
 1 files changed, 0 insertions(+), 5 deletions(-)
---
diff --git a/gtk/Makefile.am b/gtk/Makefile.am
index 16b1161..49dd0f7 100644
--- a/gtk/Makefile.am
+++ b/gtk/Makefile.am
@@ -1106,7 +1106,6 @@ gtk_base_c_sources =              \
 
 nodist_gtk_c_sources =
 gtk_c_sources = $(gtk_base_c_sources)
-gtk_all_c_sources = $(gtk_base_c_sources)
 
 gtk_dbus_built_sources = gtkdbusgenerated.c gtkdbusgenerated.h
 
@@ -1118,7 +1117,6 @@ $(gtk_dbus_built_sources) : Makefile.am gtkdbusinterfaces.xml
        $(srcdir)/gtkdbusinterfaces.xml
 
 nodist_gtk_c_sources += $(gtk_dbus_built_sources)
-gtk_all_c_sources += $(gtk_dbus_built_sources)
 
 gtk_os_unix_c_sources =                \
        gtkcustompaperunixdialog.c      \
@@ -1132,7 +1130,6 @@ gtk_os_unix_c_sources =           \
        gtkprintunixdialog.c            \
         gtkprintbackend.c              \
        gtksearchenginetracker.c
-gtk_all_c_sources += $(gtk_os_unix_c_sources)
 if OS_UNIX
 gtk_private_h_sources += \
        gtkiconcachevalidator.h         \
@@ -1149,7 +1146,6 @@ gtk_os_win32_c_sources = \
        gtkprint-win32.c                \
        gtkprintoperation-win32.c       \
        gtkwin32.c
-gtk_all_c_sources += $(gtk_os_win32_c_sources)
 if OS_WIN32
 gtk_private_h_sources += gtkprint-win32.h
 gtk_c_sources += $(gtk_os_win32_c_sources)
@@ -1181,7 +1177,6 @@ gtk_use_quartz_c_sources =        \
        gtkquartz.c
 gtk_use_stub_c_sources =       \
        gtkmountoperation-stub.c
-gtk_all_c_sources += $(gtk_use_x11_c_sources) $(gtk_use_win32_c_sources) $(gtk_use_quartz_c_sources) 
$(gtk_use_stub_c_sources)
 gtk_use_x11_private_h_sources =        \
        gtkxembed.h             \
        deprecated/gtktrayicon.h        \