Escape class attribute in `edit_post_link()` after [34098].

Props Offereins.
See #30563.
Built from https://develop.svn.wordpress.org/trunk@34117


git-svn-id: http://core.svn.wordpress.org/trunk@34085 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/link-template.php

@@ -1226,7 +1226,7 @@ function edit_post_link( $text = null, $before = '', $after = '', $id = 0, $clas
 		$text = __( 'Edit This' );
 	}
 
-	$link = '<a class="' . $class . '" href="' . $url . '">' . $text . '</a>';
+	$link = '<a class="' . esc_attr( $class ) . '" href="' . $url . '">' . $text . '</a>';
 
 	/**
 	 * Filter the post edit link anchor tag.

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-34116';
+$wp_version = '4.4-alpha-34117';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.