Don't pop up an empty menu over a patch change.
commit93d24ae135c1a014fbf1d83f57af39152b5f318e
authorcarlh <carlh@d708f5d6-7413-0410-9779-e7cbd77b26cf>
Wed, 20 Jul 2011 00:01:08 +0000 (20 00:01 +0000)
committercarlh <carlh@d708f5d6-7413-0410-9779-e7cbd77b26cf>
Wed, 20 Jul 2011 00:01:08 +0000 (20 00:01 +0000)
tree883236d88b43fa6f2ec4f98ed1f7bad961c1e2fe
parent5d4faabd5bf2e48d582849857a050303fab81e1f
Don't pop up an empty menu over a patch change.

git-svn-id: http://subversion.ardour.org/svn/ardour2/ardour2/branches/3.0@9909 d708f5d6-7413-0410-9779-e7cbd77b26cf
gtk2_ardour/canvas_patch_change.cc