fixed cmake when run from outside olxrootdir
fixed cmake when run from outside olxrootdir

ProfessorKaos64/openlierox,ProfessorKaos64/openlierox,ProfessorKaos64/openlierox,ProfessorKaos64/openlierox,ProfessorKaos64/openlierox,ProfessorKaos64/openlierox,ProfessorKaos64/openlierox