Fixed objdir bug caused by new path.join() from premake-stable
Fixed objdir bug caused by new path.join() from premake-stable

warrenseine/premake,Lusito/premake,annulen/premake,warrenseine/premake,annulen/premake,Lusito/premake,Lusito/premake,annulen/premake,annulen/premake,warrenseine/premake,Lusito/premake