do_wait: remove one "else if" branch

Minor cleanup. We can remove one "else if" branch.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

kernel/exit.c

@@ -1590,8 +1590,6 @@ repeat:
 					goto repeat;
 				if (retval != 0) /* He released the lock.  */
 					goto end;
-			} else if (p->exit_state == EXIT_DEAD) {
-				continue;
 			} else if (p->exit_state == EXIT_ZOMBIE) {
 				/*
 				 * Eligible but we cannot release it yet:
@@ -1606,7 +1604,7 @@ repeat:
 				/* He released the lock.  */
 				if (retval != 0)
 					goto end;
-			} else {
+			} else if (p->exit_state != EXIT_DEAD) {
 check_continued:
 				/*
 				 * It's running now, so it might later