apply: remove directory that becomes empty by renaming the last file away

We attempt to remove directory that becomes empty after removal
of a file.  We should do the same when we rename an existing
file away.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/builtin-apply.c b/builtin-apply.c
index 490e23e..9ee9393 100644
--- a/builtin-apply.c
+++ b/builtin-apply.c
@@ -2489,7 +2489,7 @@
 	 * thing: remove the old, write the new
 	 */
 	if (phase == 0)
-		remove_file(patch, 0);
+		remove_file(patch, patch->is_rename);
 	if (phase == 1)
 		create_file(patch);
 }