Added additional file existence check on temporary file cleanup for dumpFile method
Added additional file existence check on temporary file cleanup for dumpFile method

HeahDude/symfony,OskarStark/symfony,tucksaun/symfony,d-ph/symfony,sgehrig/symfony,ogizanagi/symfony,Tobion/symfony,curry684/symfony,symfony/symfony,stof/symfony,symfony/symfony,zerkms/symfony,Tobion/symfony,MatTheCat/symfony,nicolas-grekas/symfony,zerkms/symfony,tucksaun/symfony,xabbuh/symfony,zerkms/symfony,Nyholm/symfony,symfony/symfony,zerkms/symfony,OskarStark/symfony,oleg-andreyev/symfony,Slamdunk/symfony,paradajozsef/symfony,mpdude/symfony,Tobion/symfony,damienalexandre/symfony,oleg-andreyev/symfony,stof/symfony,ogizanagi/symfony,mpdude/symfony,derrabus/symfony,Taluu/symfony,damienalexandre/symfony,hhamon/symfony,xabbuh/symfony,ro0NL/symfony,curry684/symfony,mpdude/symfony,stof/symfony,sgehrig/symfony,ro0NL/symfony,derrabus/symfony,derrabus/symfony,ogizanagi/symfony,hhamon/symfony,tucksaun/symfony,phramz/symfony,Nyholm/symfony,Taluu/symfony,phramz/symfony,damienalexandre/symfony,Slamdunk/symfony,d-ph/symfony,Tobion/symfony,damienalexandre/symfony,MatTheCat/symfony,xabbuh/symfony,phramz/symfony,hhamon/symfony,stof/symfony,xabbuh/symfony,Slamdunk/symfony,curry684/symfony,ro0NL/symfony,paradajozsef/symfony,MatTheCat/symfony,oleg-andreyev/symfony,nicolas-grekas/symfony,nicolas-grekas/symfony,tucksaun/symfony,d-ph/symfony,paradajozsef/symfony,Nyholm/symfony,mpdude/symfony,Nyholm/symfony,derrabus/symfony,HeahDude/symfony,HeahDude/symfony,MatTheCat/symfony,ro0NL/symfony,curry684/symfony,paradajozsef/symfony,symfony/symfony,sgehrig/symfony,d-ph/symfony,ogizanagi/symfony,HeahDude/symfony,nicolas-grekas/symfony,OskarStark/symfony,Slamdunk/symfony,oleg-andreyev/symfony,Taluu/symfony,Taluu/symfony,hhamon/symfony,OskarStark/symfony,sgehrig/symfony,phramz/symfony