+ LADSPA: improve non-LRDF hints
+ LADSPA: improve non-LRDF hints

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