wrapper.c: add and use fopen_or_warn()

diff --git a/builtin/blame.c b/builtin/blame.c
index 07506a3e457d1540acb7700e4677d715d6842735..34445d789420eddd53b06ba274445a65026f898d 100644 (file)
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -2071,7 +2071,7 @@ static int prepare_lines(struct scoreboard *sb)
  */
 static int read_ancestry(const char *graft_file)
 {
-       FILE *fp = fopen(graft_file, "r");
+       FILE *fp = fopen_or_warn(graft_file, "r");
        struct strbuf buf = STRBUF_INIT;
        if (!fp)
                return -1;