XML-RPC: Add wp.deleteMediaItem as an alias to wp_deletePost.

props fahmiadib.
fixes #5310.

git-svn-id: https://develop.svn.wordpress.org/trunk@28849 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/class-wp-xmlrpc-server.php

@@ -78,6 +78,7 @@ class wp_xmlrpc_server extends IXR_Server {
 			'wp.editComment'		=> 'this:wp_editComment',
 			'wp.newComment'			=> 'this:wp_newComment',
 			'wp.getCommentStatusList' => 'this:wp_getCommentStatusList',
+			'wp.deleteMediaItem'	=> 'this:wp_deletePost',		// Alias
 			'wp.getMediaItem'		=> 'this:wp_getMediaItem',
 			'wp.getMediaLibrary'	=> 'this:wp_getMediaLibrary',
 			'wp.getPostFormats'     => 'this:wp_getPostFormats',