$NetBSD: patch-aa,v 1.3 2002/10/04 08:59:35 jlam Exp $

--- WaveTrack.cpp.orig	Wed Jun  5 00:51:19 2002
+++ WaveTrack.cpp
@@ -907,7 +907,9 @@ bool WaveTrack::Load(wxTextFile * in, Di
          numSamples = 0;
          block->Clear();
 
+#if wxUSE_THREADS
          blockMutex->Unlock();
+#endif
 
          wxString msg;
          msg.Printf("One or more data files is missing from this project.");
@@ -919,7 +921,9 @@ bool WaveTrack::Load(wxTextFile * in, Di
       block->Add(w);
    }
 
+#if wxUSE_THREADS
    blockMutex->Unlock();
+#endif
 
    return true;