Fix fatal error in RequestMediator::writeResponseBody() when malformed response is recieved
Fix fatal error in RequestMediator::writeResponseBody() when malformed response is recieved

https://github.com/guzzle/guzzle/issues/408
Rinat-wc/guzzle,paveljanda/guzzle,mikicaivosevic/guzzle,jeskew/guzzle,thinsoldier/guzzle,lahmizzar/guzzle,kminh/guzzle3,barryvdh/guzzle3,guzzle/guzzle3,javierTerry/guzzle,atrauzzi/guzzle,lahmizzar/guzzle,mortenhauberg/guzzle,wherefortravel/guzzle,Rinat-wc/guzzle,BostjanOb/guzzle,michabbb-backup/guzzle,videni/guzzle,ehough/guzzle,mubassirhayat/guzzle,jeskew/guzzle,wulftone/guzzle,stefanruijsenaars/guzzle,BostjanOb/guzzle,phlogisticfugu/guzzle,Brunty/guzzle,rsauvatinet/guzzle3,guzzle/guzzle3,Naktibalda/guzzle,Tobion/guzzle,dshafik/guzzle,guzzle/guzzle,kkopachev/guzzle,Tobion/guzzle,videni/guzzle,javierTerry/guzzle,dawehner/guzzle,duyhuynhngoc/guzzle,grokify/guzzle,mrm/guzzle,barryvdh/guzzle3,cenxun/guzzle,legovaer/guzzle3,rajaehtesham/guzzle,stea4lth/guzzle,nazo/guzzle,Briareos/guzzle,WebSeed/guzzle,mustafavelioglu/guzzle,mortenhauberg/guzzle,roundpartner/guzzle3,cenxun/guzzle,sahat/guzzle,roundpartner/guzzle3,rsauvatinet/guzzle3,EdgarPE/guzzle,staylor/guzzle,michabbb-backup/guzzle,thinsoldier/guzzle,checat/guzzle,jabong/guzzle3,sulfo/guzzle,justincy/guzzle,stefanruijsenaars/guzzle,wherefortravel/guzzle,kminh/guzzle3,wulftone/guzzle,legovaer/guzzle3,chengky/guzzle,Tony133/guzzle,EdgarPE/guzzle,atrauzzi/guzzle,checat/guzzle,jabong/guzzle3,Brunty/guzzle,dawehner/guzzle,vrkansagara/guzzle,dshafik/guzzle,mikicaivosevic/guzzle,paveljanda/guzzle,rajaehtesham/guzzle,hussainweb/guzzle,mustafavelioglu/guzzle,chengky/guzzle,kkopachev/guzzle,Tony133/guzzle,Briareos/guzzle,vrkansagara/guzzle,duyhuynhngoc/guzzle,guzzle/guzzle,grokify/guzzle,WebSeed/guzzle,sulfo/guzzle,hussainweb/guzzle,mrm/guzzle,SharpSpring/guzzle3,stea4lth/guzzle,ehough/guzzle,SharpSpring/guzzle3,Naktibalda/guzzle,dawehner/guzzle,staylor/guzzle,nazo/guzzle,justincy/guzzle,phlogisticfugu/guzzle