patchgit-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>
> ---
>  git-submodule.sh |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/git-submodule.sh b/git-submodule.sh
> index b63e5c3..220d94e 100755
> --- a/git-submodule.sh
> +++ b/git-submodule.sh
> @@ -323,7 +323,7 @@ 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