Fix wrong positioning of message list header on page scroll in Webkit browsers (#1490035)

CHANGELOG

@@ -31,6 +31,7 @@ CHANGELOG Roundcube Webmail
 - Fix draft removal after a message is sent and storing sent message is disabled (#1490467)
 - Fix so imap folder attribute comparisons are case-insensitive (#1490466)
 - Fix bug where new messages weren't added to the list in search mode
+- Fix wrong positioning of message list header on page scroll in Webkit browsers (#1490035)
 
 RELEASE 1.1.2
 -------------

program/js/list.js

@@ -248,9 +248,10 @@ init_fixed_header: function()
     $(window).resize(function() { me.resize(); });
     $(window).scroll(function() {
       var w = $(window);
-      me.fixed_header.css('marginLeft', (-w.scrollLeft()) + 'px');
+      me.fixed_header.css({
-      if (!bw.webkit)
+        marginLeft: -w.scrollLeft() + 'px',
-        me.fixed_header.css('marginTop', (-w.scrollTop()) + 'px');
+        marginTop: -w.scrollTop() + 'px'
+      });
     });
   }
   else {