jQuery deprecation fix, callback validate requires casting for typesafe comparison.

Signed-off-by: Kevin Provance <kevin.provance@gmail.com>

Author: kprovance

redux-core/inc/fields/multi_text/redux-multi-text.js

@@ -63,7 +63,8 @@
 
 				redux.field_objects.multi_text.remove( el );
 
-				el.find( '.redux-multi-text-add' ).click(
+				el.find( '.redux-multi-text-add' ).on(
+					'click',
 					function() {
 						var i;
 						var lis;

sample/sample-config.php

@@ -651,10 +651,10 @@ function redux_validate_callback_function( $field, $value, $existing_value ) {
 		$warning = false;
 
 		// Do your validation.
-		if ( 1 === $value ) {
+		if ( 1 === (int) $value ) {
 			$error = true;
 			$value = $existing_value;
-		} elseif ( 2 === $value ) {
+		} elseif ( 2 === (int) $value ) {
 			$warning = true;
 			$value   = $existing_value;
 		}