Fix crash on file -> close.

diff --git a/src/wx/audio_panel.cc b/src/wx/audio_panel.cc
index ba2a12e9fb6359a175172d403b3c911b4519caf9..ccdb579079dc166ef79acc1269760de64ae2f0ea 100644 (file)
--- a/src/wx/audio_panel.cc
+++ b/src/wx/audio_panel.cc
@@ -177,6 +177,10 @@ AudioPanel::~AudioPanel ()
 void
 AudioPanel::film_changed (Film::Property property)
 {
+       if (!_parent->film()) {
+               return;
+       }
+
        switch (property) {
        case Film::AUDIO_CHANNELS:
        case Film::AUDIO_PROCESSOR: