[gtk+] Fix distcheck

[Matthias Clasen <matthiasc src gnome org>]

commit ea2d20e3133dec009ea9e59a65ec85ffbce445a1
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue May 27 15:14:02 2014 -0400

    Fix distcheck

 gtk/inspector/Makefile.am |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/gtk/inspector/Makefile.am b/gtk/inspector/Makefile.am
index 42b3c32..574b4c1 100644
--- a/gtk/inspector/Makefile.am
+++ b/gtk/inspector/Makefile.am
@@ -110,4 +110,14 @@ EXTRA_DIST +=                              \
        $(resource_files)               \
        $(templates)
 
+MAINTAINERCLEANFILES =                 \
+       resources.c                     \
+       resources.h
+       $(template_headers)
+
+distclean-local:
+       if test $(srcdir) != .; then \
+         rm -f $(MAINTAINERCLEANFILES); \
+       fi
+
 -include $(top_srcdir)/git.mk