[gnome-system-log] build: fix missing help screenshot

[Jeremy Bicha <jbicha src gnome org>]

commit 5c0a97bc9d078c3a4a9e05492bc654372c4a383d
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Sun Oct 28 16:44:49 2012 -0400

    build: fix missing help screenshot

 help/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/help/Makefile.am b/help/Makefile.am
index 455fe52..48242dc 100644
--- a/help/Makefile.am
+++ b/help/Makefile.am
@@ -4,7 +4,7 @@
 HELP_ID = gnome-system-log
 
 # List of figures to be included
-DOC_FIGURES = figures/log-viewer-main.png
+HELP_MEDIA = figures/log-viewer-main.png
 
 # List of pages
 HELP_FILES = \