Remove unnecessary variable initialization. Props nbachiyski. fixes #10736

git-svn-id: http://svn.automattic.com/wordpress/trunk@12194 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/post-template.php

@@ -247,7 +247,6 @@ function the_excerpt() {
  */
 function get_the_excerpt($deprecated = '') {
 	global $post;
-	$output = '';
 	$output = $post->post_excerpt;
 	if ( post_password_required($post) ) {
 		$output = __('There is no excerpt because this is a protected post.');