Docs: Use a third-person singular verb for `wp_doing_ajax` filter added in [38334].

See #25669.
Built from https://develop.svn.wordpress.org/trunk@38607


git-svn-id: http://core.svn.wordpress.org/trunk@38550 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/load.php

@@ -1046,7 +1046,7 @@ function wp_is_ini_value_changeable( $setting ) {
  */
 function wp_doing_ajax() {
 	/**
-	 * Filter whether the current request is a WordPress Ajax request.
+	 * Filters whether the current request is a WordPress Ajax request.
 	 *
 	 * @since 4.7.0
 	 *

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-alpha-38606';
+$wp_version = '4.7-alpha-38607';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.