--- old/audio.h	Fri Apr 26 12:00:44 1996
+++ audio.h	Fri Feb 20 13:44:01 1998
@@ -158,6 +158,7 @@
 	int rgain, pgain;
 	Filter *filter;
 	AudioHandler* handler_;
+	char ext_fname[256];
 };
 
 #endif