fix regex for title if newlines before it

Author: roborourke

inc/class-importer.php

@@ -298,7 +298,7 @@ protected function update_post_from_markdown_source( $post_id ) {
 $title = $yaml['title'];
 } elseif ( preg_match( '/^\n*#\s(.+)/', $markdown, $matches ) ) {
 $title = $matches[1];
-$markdown = preg_replace( '/^#\swp\s(.+)/', '', $markdown );
+$markdown = preg_replace( '/^\n*#\swp\s(.+)/', '', $markdown );
 }
 $markdown = trim( $markdown );