s3.TUP Fix _check_pkg function call (v0.14.2)

- Fix call of the function _check_pkg when the plugin is executed via the s3 menu
- Fix to many parameters on backup toolchain call from s3 menu

support/functions/_plugin_update_toolchain

@@ -3,7 +3,7 @@
 #simplebuild_plugin tcupdate
 
 tcupdate(){
-	pversion="0.14.1";
+	pversion="0.14.2";
 	pname="s3.TUP";
 	pdesc="Plugin $pname v$pversion";
 	configname="$configdir/plugin_update_toolchain.config";
@@ -20,10 +20,10 @@ tcupdate(){
 	tc="$CMDTC";
 	
 	#some migrations to upgrade older s3.TUP versions
-	[ -z "$4" ] && clear && _migrations;
+	[[ -z "$4" || "$FLAG" -gt "0" ]] && clear && _migrations;
 	
 	#check/install prerequisites
-	[ -z "$4" ] && _check_pkg;
+	[[ -z "$4" || "$FLAG" -gt "0" ]] && _check_pkg;
 
 	#backup config
 	if [ "$CMDTC" == "-r" ] || [ "$CMDTC" == "--reset" ];then

support/functions/_toolchain

@@ -16,7 +16,7 @@ _toolchain_build_menu(){
 						tcupdate "$_toolchainname" "" "" "2"
 						_toolchain_build_menu;;
 		BACKUP)
-						tcupdate "-b" "$_toolchainname" "" "" "1"
+						tcupdate "-b" "$_toolchainname" "" "1"
 						_toolchain_build_menu;;
 		EDIT_CONF_DIR)
 						_gtedit