Always return a value in `Plugin_Upgrader::deactivate_plugin_before_upgrade()`. Props jdgrimes. Fixes #29088.

Built from https://develop.svn.wordpress.org/trunk@30761


git-svn-id: http://core.svn.wordpress.org/trunk@30751 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/class-wp-upgrader.php

@@ -1036,6 +1036,8 @@ class Plugin_Upgrader extends WP_Upgrader {
 			//Deactivate the plugin silently, Prevent deactivation hooks from running.
 			deactivate_plugins($plugin, true);
 		}
+
+		return $return;
 	}
 
 	/**

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.1-beta2-30760';
+$wp_version = '4.1-beta2-30761';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.