Media: Output correct link html when inserting attachments. see #21390.

git-svn-id: http://core.svn.wordpress.org/trunk@22499 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/js/mce-view.js

@@ -484,6 +484,16 @@ window.wp = window.wp || {};
 			single: true
 		};
 
+		// Generate the `href` based on the `link` property.
+		if ( props.link && 'none' !== props.link ) {
+			props.anchor = props.anchor || {};
+
+			if ( 'post' === props.link )
+				props.anchor.href = attachment.link;
+			else if ( 'file' === props.link )
+				props.anchor.href = attachment.url;
+		}
+
 		// Generate the `a` element options, if they exist.
 		if ( props.anchor ) {
 			options = {