mailmap.c: use error_errno()

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Nguyễn Thái Ngọc Duy committed May 8, 2016 at 16:47 UTC 60901e4c220e565518c87b1349108ac7dfec0ba0
1 file changed +1 -2
mailmap.c
+1 -2
@@ -189,8 +189,7 @@ static int read_mailmap_file(struct string_list *map, const char *filename,
189 if (!f) {
190 if (errno == ENOENT)
191 return 0;
192 - return error("unable to open mailmap at %s: %s",
193 - filename, strerror(errno));
192 + return error_errno("unable to open mailmap at %s", filename);
193 }
194
195 while (fgets(buffer, sizeof(buffer), f) != NULL)