use %m printf specifier where appropriate

function                                             old     new   delta
out                                                   85      75     -10
udhcpd_main                                         1472    1461     -11
open_stdio_to_tty                                     98      85     -13
init_exec                                            245     232     -13
udhcpc_main                                         2763    2749     -14
do_cmd                                              4771    4755     -16
status_line_bold_errno                                32      14     -18
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/7 up/down: 0/-95)             Total: -95 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/runit/sv.c b/runit/sv.c
index 1d0809be8..dc5dcceb3 100644
--- a/runit/sv.c
+++ b/runit/sv.c
@@ -224,7 +224,7 @@ static void out(const char *p, const char *m1)
 {
         printf("%s%s%s: %s", p, *service, islog ? "/log" : "", m1);
         if (errno) {
-                printf(": %s", strerror(errno));
+                printf(": "STRERROR_FMT STRERROR_ERRNO);
         }
         bb_putchar('\n'); /* will also flush the output */
 }