[gimp] icons: invert the symbolic icons with gegl:invert-gamma...

[Jehan Pagès <jehanp src gnome org>]

commit 37a482a09609d54fed91b56fb1bec39d08d052dc
Author: Jehan <jehan girinstud io>
Date:   Mon Jan 18 00:28:37 2016 +0100

    icons: invert the symbolic icons with gegl:invert-gamma...
    
    ... instead of gegl:invert-linear.

 icons/Symbolic-Inverted/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/icons/Symbolic-Inverted/Makefile.am b/icons/Symbolic-Inverted/Makefile.am
index ff1e90d..edfb817 100644
--- a/icons/Symbolic-Inverted/Makefile.am
+++ b/icons/Symbolic-Inverted/Makefile.am
@@ -39,7 +39,7 @@ include $(top_srcdir)/icons/Symbolic/icon-list.mk
 MAKE_ICON = mkdir -p `dirname $ `; \
        $(GEGL) -x \
        "<gegl> \
-         <node operation='gegl:invert-linear'></node> \
+         <node operation='gegl:invert-gamma'></node> \
          <node operation='gegl:load'> \
            <params> \
              <param name='path'>$(top_srcdir)/icons/Symbolic/$@</param> \