Recent commit to Processor.cpp breaking old project

[David Healey]

The getNumParameters() function has changed which is causing an issue.

I have a MIDI processor which in its script includes a reference to another MIDI processor declared later in the chain.

Since the change to the above function the first processor can no longer see the second processor's attributes at init.

[Christoph Hart]

@David-Healey can you upload a snippet? Processors with dynamic parameter count should rebuild their parameter ID list but that looks like a order of initialsation issue.