fix a small memleak.
authorRobin Gareus <robin@gareus.org>
Thu, 10 Sep 2015 15:14:38 +0000 (17:14 +0200)
committerRobin Gareus <robin@gareus.org>
Thu, 10 Sep 2015 15:39:31 +0000 (17:39 +0200)
commitb7fbd4e9c0a1c2ec13f70183cfaaa7ce13e231e8
treed3514c4c3ba29003351988f0ce0ab67d5cbf53e4
parent1ebe22eeed14910d5d5e7adef00f9eab8fb6415d
fix a small memleak.

downcase(char*) requires free(), downcase(std::string) does not.
gtk2_ardour/engine_dialog.cc