Attempt at fixing linux crash on player login.
Attempt at fixing linux crash on player login.

Ref.: http://forum.mc-server.org/showthread.php?tid=1244

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