Don't reset the post slug on XML-RPC calls.

Fixes #12947 props cfinke, nprasath002


git-svn-id: https://develop.svn.wordpress.org/trunk@17648 602fd350-edb4-49c9-b593-d223f7449a82

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

@@ -2540,6 +2540,7 @@ class wp_xmlrpc_server extends IXR_Server {
 
 		// Let WordPress manage slug if none was provided.
 		$post_name = "";
+		$post_name = $postdata['post_name'];
 		if ( isset($content_struct["wp_slug"]) )
 			$post_name = $content_struct["wp_slug"];
 
@@ -3601,4 +3602,4 @@ class wp_xmlrpc_server extends IXR_Server {
 		return $pingbacks;
 	}
 }
-?>
+?>