[gbrainy] Make distcheck fix

[Jordi Mas <jmas src gnome org>]

commit 608dbf8e8eeb2ebbdd4c2824b7120fe4b3a652b6
Author: Jordi Mas <jmas softcatala org>
Date:   Tue Oct 2 21:22:02 2012 +0200

    Make distcheck fix

 data/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/data/Makefile.am b/data/Makefile.am
index a43b2c3..547f89e 100644
--- a/data/Makefile.am
+++ b/data/Makefile.am
@@ -100,6 +100,7 @@ uninstall-hook:
 	rm -f $(DESTDIR)$(hicolordir)/32x32/apps/gbrainy.png
 	rm -f $(DESTDIR)$(hicolordir)/16x16/apps/gbrainy.png
 	rm -f $(DESTDIR)$(hicolordir)/scalable/apps/gbrainy.svg
+	$(gtk_update_icon_cache);
 
 noinst_DATA =