builtin/push.c: use OPT_BOOL, not OPT_BOOLEAN

The command line parser of "git push" for "--tags", "--delete", and
"--thin" options still used outdated OPT_BOOLEAN.  Because these
options do not give escalating levels when given multiple times,
they should use OPT_BOOL.
Signed-off-by: NJunio C Hamano <gitster@pobox.com>

builtin/push.c

@@ -427,15 +427,15 @@ int cmd_push(int argc, const char **argv, const char *prefix)
 		OPT_BIT( 0 , "all", &flags, N_("push all refs"), TRANSPORT_PUSH_ALL),
 		OPT_BIT( 0 , "mirror", &flags, N_("mirror all refs"),
 			    (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE)),
-		OPT_BOOLEAN( 0, "delete", &deleterefs, N_("delete refs")),
-		OPT_BOOLEAN( 0 , "tags", &tags, N_("push tags (can't be used with --all or --mirror)")),
+		OPT_BOOL( 0, "delete", &deleterefs, N_("delete refs")),
+		OPT_BOOL( 0 , "tags", &tags, N_("push tags (can't be used with --all or --mirror)")),
 		OPT_BIT('n' , "dry-run", &flags, N_("dry run"), TRANSPORT_PUSH_DRY_RUN),
 		OPT_BIT( 0,  "porcelain", &flags, N_("machine-readable output"), TRANSPORT_PUSH_PORCELAIN),
 		OPT_BIT('f', "force", &flags, N_("force updates"), TRANSPORT_PUSH_FORCE),
 		{ OPTION_CALLBACK, 0, "recurse-submodules", &flags, N_("check"),
 			N_("control recursive pushing of submodules"),
 			PARSE_OPT_OPTARG, option_parse_recurse_submodules },
-		OPT_BOOLEAN( 0 , "thin", &thin, N_("use thin pack")),
+		OPT_BOOL( 0 , "thin", &thin, N_("use thin pack")),
 		OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", N_("receive pack program")),
 		OPT_STRING( 0 , "exec", &receivepack, "receive-pack", N_("receive pack program")),
 		OPT_BIT('u', "set-upstream", &flags, N_("set upstream for git pull/status"),