Patch fixes the deadlock issue with the HtmlUnit plugin in the UiSuite. Patch by: amitmanjhi Review by: kprobst (TBR) git-svn-id: https://google-web-toolkit.googlecode.com/svn/branches/farewellSwt@6258 8db76d5a-ed1c-0410-87a9-c151d255dfc7