Fixed: Facebook login page beeing crazily disaligned.

--HG--
branch : Black Dragon

indra/newview/skins/default/xui/en/floater_fbc_web.xml

 <?xml version="1.0" encoding="utf-8" standalone="yes" ?>
 <floater name="floater_fbc_web"
          help_topic="fbc_web"
-         width="780"
-         height="775"
+         width="560"
+         height="400"
          save_rect="true"
          single_instance="true"
          reuse_instance="false"