Updated ladspa to work with the new caps nego stuff. Also updated it to work in using a loop function for configurati...

Original commit message from CVS:
Updated ladspa to work with the new caps nego stuff. Also updated it to work in
any M sinkpads by N srcpads configuration (M > -1 and N > 0), using a loop
function for configurations other than M == N == 1 or M == 0.