[release-notes/gnome-3-18] fixed typo in makefile. Thanks to Jiro Matsuzawa for pointing out

[Andreas Nilsson <andreasn src gnome org>]

commit e23542028e59e656307b3bfc00f7d7808f985091
Author: Andreas Nilsson <anilsson redhat com>
Date:   Mon Sep 21 15:01:54 2015 +0200

    fixed typo in makefile. Thanks to Jiro Matsuzawa for pointing out

 help/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/help/Makefile.am b/help/Makefile.am
index 27bb587..8f1102f 100644
--- a/help/Makefile.am
+++ b/help/Makefile.am
@@ -16,7 +16,7 @@ HELP_MEDIA = \
  figures/characters.png \
  figures/files.png \
  figures/firmware-updates.png \
- figures/google-drive-integration,png \
+ figures/google-drive-integration.png \
  figures/hig.png \
  figures/placeholder.png \
  figures/polari.png \