noexec: do GETOPT_RESET() before entering APPLET_main()

hush -c 'yes | head -1' was not happy.

function                                             old     new   delta
tryexec                                              159     169     +10
pseudo_exec_argv                                     328     338     +10

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

libbb/vfork_daemon_rexec.c

@@ -176,6 +176,7 @@ int FAST_FUNC spawn_and_wait(char **argv)
 
 			/* child */
 			/* reset some state and run without execing */
+			GETOPT_RESET();
 
 			/* msg_eol = "\n"; - no caller needs this reinited yet */
 			logmode = LOGMODE_STDIO;