Build system fix.
Build system fix.

Use symlink method for the LADSPA plugin as well.

zamaudio/calf-LR4,zamaudio/calf-LR4,jnetterf/calf,adiknoth/calf,jnetterf/calf,adiknoth/calf,zamaudio/calf-LR4,jnetterf/calf,zamaudio/calf-LR4,jnetterf/calf,zamaudio/calf-LR4,adiknoth/calf,adiknoth/calf,adiknoth/calf,jnetterf/calf