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, 3 insertions, 10 deletions

diff --git a/networking/sendmail.c b/networking/sendmail.c
index 1c23ca290..b58055d39 100644
--- a/networking/sendmail.c
+++ b/networking/sendmail.c
@@ -120,15 +120,6 @@ static void signal_handler(int signo)
 #undef err
 }
 
-/* libbb candidate */
-static pid_t vfork_or_die(void)
-{
-        pid_t pid = vfork();
-        if (pid < 0)
-                bb_perror_msg_and_die("vfork");
-        return pid;
-}
-
 static void launch_helper(const char **argv)
 {
         // setup vanilla unidirectional pipes interchange
@@ -137,7 +128,9 @@ static void launch_helper(const char **argv)
 
         xpipe(pipes);
         xpipe(pipes+2);
-        helper_pid = vfork_or_die();
+        helper_pid = vfork();
+        if (helper_pid < 0)
+                bb_perror_msg_and_die("vfork");
         idx = (!helper_pid) * 2;
         xdup2(pipes[idx], STDIN_FILENO);
         xdup2(pipes[3-idx], STDOUT_FILENO);