fix AU preset list

Don't require user-presets to be present in order to include
factory presets

diff --git a/libs/ardour/audio_unit.cc b/libs/ardour/audio_unit.cc
index e8f7e0a1edfffb0de95d85b5063626c209d642ec..9967a1c6647ebfd1471af5f8f911542ca85600fc 100644 (file)
--- a/libs/ardour/audio_unit.cc
+++ b/libs/ardour/audio_unit.cc
@@ -2289,7 +2289,6 @@ AUPlugin::find_presets ()
 
        if (preset_files.empty()) {
                DEBUG_TRACE (DEBUG::AudioUnits, "AU No Preset Files found for given plugin.\n");
-               return;
        }
 
        for (vector<string>::iterator x = preset_files.begin(); x != preset_files.end(); ++x) {