[geary] Added missing line continuation char in help Makefile

[Claude Paroz <claudep src gnome org>]

commit e8d32a76d6facba396ea3fd9ef2680d17012a0f1
Author: Claude Paroz <claude 2xlibre net>
Date:   Mon Jan 13 19:53:04 2014 +0100

    Added missing line continuation char in help Makefile

 help/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/help/Makefile.am b/help/Makefile.am
index 17b2562..3507f2d 100644
--- a/help/Makefile.am
+++ b/help/Makefile.am
@@ -5,7 +5,7 @@ DOC_ID = geary
 DOC_PAGES = \
        accounts.page \
        archive.page \
-       bugs.page
+       bugs.page \
        index.page \
        label.page \
        limits.page \