submodule--helper: do not borrow absolute_path() result for too long

diff --git a/builtin/reset.c b/builtin/reset.c
index 4c08ddc1cacc29f2098bb81b434d76f315346dd4..c503e75a590df93bcc46e564583352dcffa60891 100644 (file)
--- a/builtin/reset.c
+++ b/builtin/reset.c
@@ -36,7 +36,7 @@ static const char *reset_type_names[] = {
 
 static inline int is_merge(void)
 {
-       return !access(git_path("MERGE_HEAD"), F_OK);
+       return !access(git_path_merge_head(), F_OK);
 }
 
 static int reset_index(const unsigned char *sha1, int reset_type, int quiet)