git-submodule: Avoid printing a spurious message.

Fix 'git submodule update' to avoid printing a spurious "Maybe you want
to use 'update --init'?" once for every uninitialized submodule it
encounters.

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

git-submodule.sh

@@ -294,7 +294,7 @@ cmd_update()
 			# Only mention uninitialized submodules when its
 			# path have been specified
 			test "$#" != "0" &&
-			say "Submodule path '$path' not initialized"
+			say "Submodule path '$path' not initialized" &&
 			say "Maybe you want to use 'update --init'?"
 			continue
 		fi