Merge branch 'fix-alert-close-line-height' of...

Merge branch 'fix-alert-close-line-height' of https://github.com/pokonski/bootstrap into pokonski-fix-alert-close-line-height

lib/alerts.less

@@ -20,6 +20,7 @@
   *margin-top: 3px; /* IE7 spacing */
   position: relative;
   right: -21px;
+  line-height: 18px;
 }
 
 // Alternate styles