From Valeriy Onuchin:

- in TGClient::WaitFor repalce "gSystem->InnerLoop();"  by "gSystem->ProcessEvents();"
  That guarantee that all events in aplication loop will be processed.


git-svn-id: http://root.cern.ch/svn/root/trunk@9228 27541ba8-7e3a-0410-8455-c3a389f83636