Correct references to post-template.php in the inline docs.

props softmodeling.
fixes #29188.
Built from https://develop.svn.wordpress.org/trunk@29469


git-svn-id: http://core.svn.wordpress.org/trunk@29247 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/feed.php

@@ -184,7 +184,7 @@ function get_the_content_feed($feed_type = null) {
 	if ( !$feed_type )
 		$feed_type = get_default_feed();
 
-	/** This filter is documented in wp-admin/post-template.php */
+	/** This filter is documented in wp-includes/post-template.php */
 	$content = apply_filters( 'the_content', get_the_content() );
 	$content = str_replace(']]>', ']]>', $content);
 	/**