Fix midnam replacement:
authorRobin Gareus <robin@gareus.org>
Sun, 30 Oct 2016 20:24:26 +0000 (21:24 +0100)
committerRobin Gareus <robin@gareus.org>
Sun, 30 Oct 2016 20:24:26 +0000 (21:24 +0100)
commite08c80370cfcadb7400b6f342b027b6c64ed3dd0
tree75385ae8c8b8e03dd637708cc3d81952922b84f6
parent2a0aadfd97cec15acf90deb4cfc32ae201ca69a5
Fix midnam replacement:

Unloading before update may otherwise reset the patch to
generic midi (when the current patch is no longer available)
libs/ardour/ardour/midi_patch_manager.h
libs/ardour/lv2_plugin.cc
libs/ardour/midi_patch_manager.cc