[gucharmap] help: Fix missing image

[Christian Persch <chpe src gnome org>]

commit 882b304126858db31a3d424953d153f25a65d77c
Author: Christian Persch <chpe src gnome org>
Date:   Sun Oct 1 11:26:05 2017 +0200

    help: Fix missing image

 help/Makefile.am |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/help/Makefile.am b/help/Makefile.am
index fa794da..592a94c 100644
--- a/help/Makefile.am
+++ b/help/Makefile.am
@@ -1,10 +1,17 @@
+NULL =
+
 @YELP_HELP_RULES@
 
 HELP_ID = gucharmap
 
 HELP_FILES = \
        index.docbook \
-       legal.xml
+       legal.xml \
+       $(NULL)
+
+HELP_MEDIA = \
+       figures/gucharmap_window.png \
+       $(NULL)
 
 HELP_LINGUAS = bg ca cs de el en_GB es fi fr gl hu ko oc pl pt_BR ru sl sv vi zh_CN