Reviewed by Oliver Hunt.

        WebKit side of <rdar://problem/6688244>.
        
        Try reinitializing the vendor port if it's invalid.
        
        * Plugins/Hosted/NetscapePluginHostManager.mm:
        (WebKit::NetscapePluginHostManager::spawnPluginHost):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@41820 268f45cc-cd09-0410-ab3c-d52691b4dbfc