ByteBuffer: Fixed optimization failures with threading checks.
ByteBuffer: Fixed optimization failures with threading checks.

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