Fixed environment filters OCL_COUNT and OCL_MAX_DEVICES
Fixed environment filters OCL_COUNT and OCL_MAX_DEVICES

Filters were copied around, so state was not updated in these filters

ddemidov/vexcl,kapadia/vexcl,kapadia/vexcl,Poulpy21/vexcl,Poulpy21/vexcl,ddemidov/vexcl,Poulpy21/vexcl