Fixed scoreboard loader type checks.
Fixed scoreboard loader type checks.

Fixes scoreboard loading error reported on the Dropper map in #1307.

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