fixed unused expression warnings in blockFire
fixed unused expression warnings in blockFire

mmdk95/cuberite,jammet/MCServer,birkett/MCServer,jammet/MCServer,nevercast/cuberite,nichwall/cuberite,johnsoch/cuberite,MuhammadWang/MCServer,Schwertspize/cuberite,nichwall/cuberite,jammet/MCServer,linnemannr/MCServer,kevinr/cuberite,SamOatesPlugins/cuberite,Frownigami1/cuberite,Frownigami1/cuberite,tonibm19/cuberite,electromatter/cuberite,birkett/MCServer,mc-server/MCServer,Haxi52/cuberite,linnemannr/MCServer,zackp30/cuberite,mmdk95/cuberite,jammet/MCServer,marvinkopf/cuberite,nicodinh/cuberite,ionux/MCServer,guijun/MCServer,Haxi52/cuberite,Fighter19/cuberite,zackp30/cuberite,thetaeo/cuberite,SamOatesPlugins/cuberite,tonibm19/cuberite,ionux/MCServer,johnsoch/cuberite,HelenaKitty/EbooMC,kevinr/cuberite,Schwertspize/cuberite,birkett/cuberite,guijun/MCServer,QUSpilPrgm/cuberite,mjssw/cuberite,tonibm19/cuberite,nicodinh/cuberite,johnsoch/cuberite,johnsoch/cuberite,Howaner/MCServer,birkett/MCServer,birkett/cuberite,jammet/MCServer,ionux/MCServer,QUSpilPrgm/cuberite,nicodinh/cuberite,Altenius/cuberite,ionux/MCServer,Frownigami1/cuberite,Haxi52/cuberite,nevercast/cuberite,kevinr/cuberite,nounoursheureux/MCServer,QUSpilPrgm/cuberite,guijun/MCServer,HelenaKitty/EbooMC,marvinkopf/cuberite,tonibm19/cuberite,birkett/cuberite,kevinr/cuberite,linnemannr/MCServer,Howaner/MCServer,QUSpilPrgm/cuberite,nicodinh/cuberite,mc-server/MCServer,thetaeo/cuberite,ionux/MCServer,bendl/cuberite,nevercast/cuberite,Tri125/MCServer,electromatter/cuberite,Altenius/cuberite,Tri125/MCServer,thetaeo/cuberite,bendl/cuberite,Tri125/MCServer,thetaeo/cuberite,electromatter/cuberite,jammet/MCServer,mjssw/cuberite,MuhammadWang/MCServer,mc-server/MCServer,nevercast/cuberite,mjssw/cuberite,nounoursheureux/MCServer,marvinkopf/cuberite,Schwertspize/cuberite,bendl/cuberite,Frownigami1/cuberite,mmdk95/cuberite,SamOatesPlugins/cuberite,guijun/MCServer,linnemannr/MCServer,mc-server/MCServer,tonibm19/cuberite,Altenius/cuberite,Haxi52/cuberite,Fighter19/cuberite,mjssw/cuberite,birkett/cuberite,Tri125/MCServer,birkett/MCServer,nicodinh/cuberite,bendl/cuberite,bendl/cuberite,Schwertspize/cuberite,Howaner/MCServer,QUSpilPrgm/cuberite,Fighter19/cuberite,Altenius/cuberite,zackp30/cuberite,electromatter/cuberite,Schwertspize/cuberite,nounoursheureux/MCServer,linnemannr/MCServer,mjssw/cuberite,Haxi52/cuberite,MuhammadWang/MCServer,MuhammadWang/MCServer,johnsoch/cuberite,Fighter19/cuberite,thetaeo/cuberite,birkett/cuberite,Tri125/MCServer,HelenaKitty/EbooMC,nichwall/cuberite,Haxi52/cuberite,QUSpilPrgm/cuberite,mmdk95/cuberite,nichwall/cuberite,MuhammadWang/MCServer,nevercast/cuberite,ionux/MCServer,tonibm19/cuberite,mmdk95/cuberite,Fighter19/cuberite,zackp30/cuberite,birkett/MCServer,nounoursheureux/MCServer,HelenaKitty/EbooMC,marvinkopf/cuberite,Tri125/MCServer,electromatter/cuberite,birkett/cuberite,Altenius/cuberite,electromatter/cuberite,mjssw/cuberite,thetaeo/cuberite,nichwall/cuberite,linnemannr/MCServer,marvinkopf/cuberite,zackp30/cuberite,Howaner/MCServer,kevinr/cuberite,Howaner/MCServer,kevinr/cuberite,guijun/MCServer,Frownigami1/cuberite,guijun/MCServer,mc-server/MCServer,Howaner/MCServer,HelenaKitty/EbooMC,mc-server/MCServer,zackp30/cuberite,mmdk95/cuberite,birkett/MCServer,nicodinh/cuberite,SamOatesPlugins/cuberite,SamOatesPlugins/cuberite,nichwall/cuberite,nounoursheureux/MCServer,nounoursheureux/MCServer,marvinkopf/cuberite,Fighter19/cuberite,nevercast/cuberite