sendmail: fix wrong vfork usage here too

*: shorten error texts

function                                             old     new   delta
launch_helper                                          -     151    +151
vfork_or_die                                          20       -     -20
sendgetmail_main                                    1946    1848     -98
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 0/1 up/down: 151/-118)           Total: 33 bytes

1 files changed, 1 insertions, 1 deletions

diff --git a/miscutils/time.c b/miscutils/time.c
index a6d158c53..cce7d5b3e 100644
--- a/miscutils/time.c
+++ b/miscutils/time.c
@@ -374,7 +374,7 @@ static void run_command(char *const *cmd, resource_t *resp)
         resp->elapsed_ms = monotonic_us() / 1000;
         pid = vfork();          /* Run CMD as child process.  */
         if (pid < 0)
-                bb_error_msg_and_die("cannot fork");
+                bb_perror_msg_and_die("fork");
         if (pid == 0) { /* If child.  */
                 /* Don't cast execvp arguments; that causes errors on some systems,
                    versus merely warnings if the cast is left off.  */