fix typo in configure.ac
fix typo in configure.ac

eblanca/povray,POV-Ray/povray,eblanca/povray,LogicalKnight/povray,davidgiven/povray,UberPOV/UberPOV,UberPOV/UberPOV,LeForgeron/povray,eblanca/povray,wfpokorny/povray,LogicalKnight/povray,FLOWERCLOUD/povray,BentSm/povray,BentSm/povray,davidgiven/povray,LeForgeron/povray,POV-Ray/povray,POV-Ray/povray,davidgiven/povray,davidgiven/povray,FLOWERCLOUD/povray,eblanca/povray,BentSm/povray,UberPOV/UberPOV,wfpokorny/povray,c-lipka/povray,c-lipka/povray,LogicalKnight/povray,wfpokorny/povray,UberPOV/UberPOV,FLOWERCLOUD/povray,LogicalKnight/povray,LeForgeron/povray,FLOWERCLOUD/povray,UberPOV/UberPOV,FLOWERCLOUD/povray,POV-Ray/povray,davidgiven/povray,LogicalKnight/povray,davidgiven/povray,FLOWERCLOUD/povray,LeForgeron/povray,LeForgeron/povray,LogicalKnight/povray,POV-Ray/povray,davidgiven/povray,UberPOV/UberPOV,wfpokorny/povray,POV-Ray/povray,FLOWERCLOUD/povray,UberPOV/UberPOV,LogicalKnight/povray,c-lipka/povray,LeForgeron/povray,wfpokorny/povray,POV-Ray/povray,LeForgeron/povray,FLOWERCLOUD/povray,LogicalKnight/povray,davidgiven/povray,wfpokorny/povray,LogicalKnight/povray,FLOWERCLOUD/povray,BentSm/povray,LeForgeron/povray,davidgiven/povray,c-lipka/povray,wfpokorny/povray