Docs: Fix an incorrect `@since` comment.

See #36495.

Built from https://develop.svn.wordpress.org/trunk@37994


git-svn-id: http://core.svn.wordpress.org/trunk@37935 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/js/customize-widgets.js

@@ -1902,7 +1902,7 @@
 		/**
 		 * Get the widget_form Customize controls associated with the current sidebar.
 		 *
-		 * @since 3.9
+		 * @since 3.9.0
 		 * @return {wp.customize.controlConstructor.widget_form[]}
 		 */
 		getWidgetFormControls: function() {

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.6-beta2-37993';
+$wp_version = '4.6-beta2-37994';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.