fortify: move PR_SET_DUMPABLE to the beginning of main

This call does need flag values.

Signed-off-by: Ophestra Umiker <cat@ophivana.moe>

main.go

@@ -22,14 +22,14 @@ func init() {
 }
 
 func main() {
-	flag.Parse()
-	verbose.Set(flagVerbose)
-
 	// linux/sched/coredump.h
 	if _, _, errno := syscall.RawSyscall(syscall.SYS_PRCTL, syscall.PR_SET_DUMPABLE, 0, 0); errno != 0 {
 		fmt.Printf("fortify: cannot set SUID_DUMP_DISABLE: %s", errno.Error())
 	}
 
+	flag.Parse()
+	verbose.Set(flagVerbose)
+
 	if internal.SdBootedV {
 		verbose.Println("system booted with systemd as init system")
 	}