clone: fix help on options

Fix incorrect description of --recursive, and stop listing the historical
synonym --naked that is not advertised anywhere.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin-clone.c

@@ -51,7 +51,9 @@ static struct option builtin_clone_options[] = {
 	OPT_BOOLEAN('n', "no-checkout", &option_no_checkout,
 		    "don't create a checkout"),
 	OPT_BOOLEAN(0, "bare", &option_bare, "create a bare repository"),
-	OPT_BOOLEAN(0, "naked", &option_bare, "create a bare repository"),
+	{ OPTION_BOOLEAN, 0, "naked", &option_bare, NULL,
+		"create a bare repository",
+		PARSE_OPT_NOARG | PARSE_OPT_HIDDEN },
 	OPT_BOOLEAN(0, "mirror", &option_mirror,
 		    "create a mirror repository (implies bare)"),
 	OPT_BOOLEAN('l', "local", &option_local,
@@ -61,7 +63,7 @@ static struct option builtin_clone_options[] = {
 	OPT_BOOLEAN('s', "shared", &option_shared,
 		    "setup as shared repository"),
 	OPT_BOOLEAN(0, "recursive", &option_recursive,
-		    "setup as shared repository"),
+		    "initialize submodules in the clone"),
 	OPT_STRING(0, "template", &option_template, "path",
 		   "path the template repository"),
 	OPT_STRING(0, "reference", &option_reference, "repo",