commit: add commit_stack_init()

Add a function for initializing a struct commit_stack, for when static
initialization is not possible or impractical.

Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/commit.h b/commit.h
index 81e047f820..7c01a76425 100644
--- a/commit.h
+++ b/commit.h
@@ -387,6 +387,7 @@ struct commit_stack {
 };
 #define COMMIT_STACK_INIT { 0 }
 
+void commit_stack_init(struct commit_stack *);
 void commit_stack_push(struct commit_stack *, struct commit *);
 struct commit *commit_stack_pop(struct commit_stack *);
 void commit_stack_clear(struct commit_stack *);