git am: Display some help text when patch is empty

diff --git a/submodule.h b/submodule.h
index 233696555e913d20b6a6c7c21942586c93595541..dbda270873171c41f20c0f07b70773ce67c6a303 100644 (file)
--- a/submodule.h
+++ b/submodule.h
@@ -5,6 +5,6 @@ void show_submodule_summary(FILE *f, const char *path,
                unsigned char one[20], unsigned char two[20],
                unsigned dirty_submodule,
                const char *del, const char *add, const char *reset);
-int is_submodule_modified(const char *path);
+unsigned is_submodule_modified(const char *path, int ignore_untracked);
 
 #endif