Index: wp-admin/includes/class-wp-upgrader.php
===================================================================
--- wp-admin/includes/class-wp-upgrader.php	(revision 15277)
+++ wp-admin/includes/class-wp-upgrader.php	(working copy)
@@ -1127,7 +1127,7 @@
 
 	function before($title = '') {
 		$this->in_loop = true;
-		printf( '<h4>' . $this->upgrader->strings['skin_before_update_header'] . ' <img alt="" src="' . admin_url( 'images/wpspin_light.gif' ) . '" class="hidden waiting-' . $this->upgrader->update_current . '" style="vertical-align:middle;"></h4>',  $title, $this->upgrader->update_current, $this->upgrader->update_count);
+		printf( '<h4>' . $this->upgrader->strings['skin_before_update_header'] . ' <img alt="" src="' . admin_url( 'images/wpspin_light.gif' ) . '" class="hidden waiting-' . $this->upgrader->update_current . '" style="vertical-align:middle;" /></h4>',  $title, $this->upgrader->update_current, $this->upgrader->update_count);
 		echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js($this->upgrader->update_current) . '\').show();</script>';
 		echo '<div class="update-messages hide-if-js" id="progress-' . esc_attr($this->upgrader->update_current) . '"><p>';
 		$this->flush_output();