[gnome-panel] update MAINTAINERCLEANFILES

[Alberts Muktupāvels <muktupavels src gnome org>]

commit cc1f50f7b4e76373818ff1d50381a0d31e213467
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Fri Sep 11 22:39:39 2015 +0300

    update MAINTAINERCLEANFILES

 Makefile.am |   22 ++++++----------------
 1 files changed, 6 insertions(+), 16 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index b1075aa..d5ca59b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,3 +1,5 @@
+NULL =
+
 SUBDIRS =                      \
        gnome-panel             \
        libpanel-applet         \
@@ -19,27 +21,15 @@ EXTRA_DIST = \
        HACKING
 
 MAINTAINERCLEANFILES = \
+       $(GITIGNORE_MAINTAINERCLEANFILES_TOPLEVEL) \
+       $(GITIGNORE_MAINTAINERCLEANFILES_MAKEFILE_IN) \
+       $(GITIGNORE_MAINTAINERCLEANFILES_M4_LIBTOOL) \
        $(srcdir)/INSTALL \
-       $(srcdir)/aclocal.m4 \
-       $(srcdir)/compile \
-       $(srcdir)/config.guess \
-       $(srcdir)/config.h.in \
-       $(srcdir)/config.sub \
-       $(srcdir)/depcomp \
-       $(srcdir)/install-sh \
-       $(srcdir)/ltmain.sh \
-       $(srcdir)/missing \
-       $(srcdir)/mkinstalldirs \
-       `find "$(srcdir)" -type f -name Makefile.in -print` \
        $(srcdir)/configure \
        $(srcdir)/gtk-doc.make \
        $(srcdir)/m4/gtk-doc.m4 \
        $(srcdir)/m4/intltool.m4 \
-       $(srcdir)/m4/libtool.m4 \
-       $(srcdir)/m4/ltoptions.m4 \
-       $(srcdir)/m4/ltsugar.m4 \
-       $(srcdir)/m4/ltversion.m4 \
-       $(srcdir)/m4/lt~obsolete.m4
+       $(NULL)
 
 CHANGELOG_GIT_RANGE = GNOME_PANEL_2_26_1..
 dist-hook: