[gnome-boxes] help: Include git.mk for .gitignore generation

[Kalev Lember <klember src gnome org>]

commit 763288b8362730b46bc70dd2c33957fb41f0a70d
Author: Kalev Lember <kalevlember gmail com>
Date:   Mon Mar 2 15:33:09 2015 +0100

    help: Include git.mk for .gitignore generation

 help/Makefile.am |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/help/Makefile.am b/help/Makefile.am
index 3b828b4..cf1da36 100644
--- a/help/Makefile.am
+++ b/help/Makefile.am
@@ -30,3 +30,5 @@ HELP_FILES = index.page                       \
        why-do-i-need-virtual-machine.page
 
 HELP_LINGUAS = cs de el es fr hu ko pt_BR
+
+-include $(top_srcdir)/git.mk