Fixed a linker warning in MSVC debug build.
Fixed a linker warning in MSVC debug build.

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