If the resources file isn't sorted in some way then libgdk.so will differ
depending on the inode order of the resource files.

Upstream-Status: Pending
Signed-off-by: Ross Burton <ross.burton@intel.com>

diff --git a/gdk/Makefile.am b/gdk/Makefile.am
index e25b57ba50..26f2d57c6e 100644
--- a/gdk/Makefile.am
+++ b/gdk/Makefile.am
@@ -465,7 +465,7 @@ stamp-gc-h: $(top_builddir)/config.status
 # Resources
 #
 
-glsl_sources := $(wildcard $(srcdir)/resources/glsl/*.glsl)
+glsl_sources := $(sort $(wildcard $(srcdir)/resources/glsl/*.glsl))
 
 gdk.gresource.xml: Makefile.am
 	$(AM_V_GEN) echo "<?xml version='1.0' encoding='UTF-8'?>" > $@; \