[gitg] Depend on Makefile.in to regenerate .gitignore

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 8f1ebd7563486046743115358d17200c0c77270e
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Mon Jan 6 18:01:02 2014 +0100

    Depend on Makefile.in to regenerate .gitignore
    
    This allows .gitignore generation to depend on included Makefile.am
    from subdirs in non-recursive make.

 git.mk |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/git.mk b/git.mk
index 579918a..bdb43a2 100644
--- a/git.mk
+++ b/git.mk
@@ -155,7 +155,7 @@ git-mk-install:
 # Actual .gitignore generation:
 ###############################################################################
 
-$(srcdir)/.gitignore: Makefile.am $(top_srcdir)/git.mk
+$(srcdir)/.gitignore: $(srcdir)/Makefile.in $(top_srcdir)/git.mk
        @echo "git.mk: Generating $@"
        @{ \
                if test "x$(DOC_MODULE)" = x -o "x$(DOC_MAIN_SGML_FILE)" = x; then :; else \