Dialog: Fixed creation of close button in IE.

Thanks dkiselev.

Author: scottgonzalez

ui/jquery.ui.dialog.js

@@ -122,7 +122,7 @@ $.widget("ui.dialog", {
 					"ui-corner-all  ui-helper-clearfix" )
 				.prependTo( uiDialog ),
 
-			uiDialogTitlebarClose = $( "<a href='#'>" )
+			uiDialogTitlebarClose = $( "<a href='#'></a>" )
 				.addClass( "ui-dialog-titlebar-close  ui-corner-all" )
 				.attr( "role", "button" )
 				.hover(