virtfs-proxy-helper.c: remove 'err_out' label in setugid()

'err_out' can be removed and be replaced by 'return -errno'
in its only instance in the function.

CC: Greg Kurz <groug@kaod.org>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Acked-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Greg Kurz <groug@kaod.org>

fsdev/virtfs-proxy-helper.c

@@ -287,8 +287,7 @@ static int setugid(int uid, int gid, int *suid, int *sgid)
     *sgid = getegid();
 
     if (setresgid(-1, gid, *sgid) == -1) {
-        retval = -errno;
-        goto err_out;
+        return -errno;
     }
 
     if (setresuid(-1, uid, *suid) == -1) {
@@ -322,7 +321,6 @@ err_sgid:
     if (setresgid(-1, *sgid, *sgid) == -1) {
         abort();
     }
-err_out:
     return retval;
 }