Fix for a bug in recent commit ce8b193.
Fix for a bug in recent commit ce8b193.

LeForgeron/povray,BentSm/povray,c-lipka/povray,BentSm/povray,BentSm/povray,LeForgeron/povray,POV-Ray/povray,wfpokorny/povray,eblanca/povray,POV-Ray/povray,c-lipka/povray,POV-Ray/povray,wfpokorny/povray,eblanca/povray,c-lipka/povray,POV-Ray/povray,BentSm/povray,wfpokorny/povray,POV-Ray/povray,wfpokorny/povray,c-lipka/povray,POV-Ray/povray,wfpokorny/povray,LeForgeron/povray,eblanca/povray,eblanca/povray,wfpokorny/povray,POV-Ray/povray,LeForgeron/povray,LeForgeron/povray,LeForgeron/povray,LeForgeron/povray,LeForgeron/povray,wfpokorny/povray