[gnome-panel] add one more file to MAINTAINERCLEANFILES

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 6f7b30b49a30681d07dc0ad2604d2de96d27282a
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Fri Sep 11 22:54:35 2015 +0300

    add one more file to MAINTAINERCLEANFILES

 Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index d5ca59b..d3388e8 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -26,6 +26,7 @@ MAINTAINERCLEANFILES = \
        $(GITIGNORE_MAINTAINERCLEANFILES_M4_LIBTOOL) \
        $(srcdir)/INSTALL \
        $(srcdir)/configure \
+       $(srcdir)/config.h.in~ \
        $(srcdir)/gtk-doc.make \
        $(srcdir)/m4/gtk-doc.m4 \
        $(srcdir)/m4/intltool.m4 \