Index: wp-includes/css/admin-bar.dev.css
===================================================================
--- wp-includes/css/admin-bar.dev.css	(revision 16999)
+++ wp-includes/css/admin-bar.dev.css	(working copy)
@@ -179,6 +179,7 @@
 	float: right;
 	height: 18px;
 	padding: 3px;
+	margin: 0;
 }
 
 #wpadminbar #adminbarsearch .adminbar-input {