Fix problems with restoration of unused playlists (#4052).
commitff9c206683352591f46c39f6ab7a34285b544c63
authorcarlh <carlh@d708f5d6-7413-0410-9779-e7cbd77b26cf>
Sat, 21 May 2011 18:44:44 +0000 (21 18:44 +0000)
committercarlh <carlh@d708f5d6-7413-0410-9779-e7cbd77b26cf>
Sat, 21 May 2011 18:44:44 +0000 (21 18:44 +0000)
treee1d982a73ff95575b85e4f5dd1d9a81ac9751149
parenta62bdbf286e3928b9bfa2e9ea70238d3f948f3b5
Fix problems with restoration of unused playlists (#4052).

git-svn-id: http://subversion.ardour.org/svn/ardour2/ardour2/branches/3.0@9563 d708f5d6-7413-0410-9779-e7cbd77b26cf
libs/ardour/playlist.cc