$NetBSD: patch-ac,v 1.7 2005/08/24 08:30:28 bjh21 Exp $

--- src/st.h~	Mon Dec 20 19:48:54 2004
+++ src/st.h	Sun Aug  7 13:27:21 2005
@@ -68,9 +68,9 @@
 typedef struct  st_signalinfo
 {
     st_rate_t rate;      /* sampling rate */
-    char size;           /* word length of data */
-    char encoding;       /* format of sample numbers */
-    char channels;       /* number of sound channels */
+    signed char size;           /* word length of data */
+    signed char encoding;       /* format of sample numbers */
+    signed char channels;       /* number of sound channels */
 } st_signalinfo_t;
 
 /* Loop parameters */
