* commented out a crash line in ardour_ui2.cc (added a warning message).
(I thought, it may be fairly efficient to keep issues as code instead of putting
them in the tracker where hardly ever one would notice the needle in the haystack)
* forgot to clear two other collections on MidiPatchManager::refresh()
git-svn-id: svn://localhost/ardour2/branches/3.0@4312 d708f5d6-7413-0410-9779-e7cbd77b26cf
30daaebaa2