`WP_Rewrite::add_rule()` should strictly check against `false` when using `strpos()`.

See #32444.

Built from https://develop.svn.wordpress.org/trunk@32941


git-svn-id: http://core.svn.wordpress.org/trunk@32912 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/rewrite.php

@@ -2040,7 +2040,7 @@ class WP_Rewrite {
 	 */
 	public function add_rule($regex, $redirect, $after = 'bottom') {
 		//get everything up to the first ?
-		$index = (strpos($redirect, '?') == false ? strlen($redirect) : strpos($redirect, '?'));
+		$index = (strpos($redirect, '?') === false ? strlen($redirect) : strpos($redirect, '?'));
 		$front = substr($redirect, 0, $index);
 		if ( $front != $this->index ) { //it doesn't redirect to WP's index.php
 			$this->add_external_rule($regex, $redirect);

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.3-alpha-32940';
+$wp_version = '4.3-alpha-32941';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.