Don't assume that stderr is a compile-time constant.

lang/bwbasic/files/patch-bwbasic.c

@@ -0,0 +1,27 @@
+--- bwbasic.c.orig	Mon Jun  3 17:28:28 2002
++++ bwbasic.c	Mon Jun  3 17:33:08 2002
+@@ -32,6 +32,7 @@
+ /* NOTE: Modifications marked "JBV" were made by Jon B. Volkoff, */
+ /* 11/1995 (eidetics@cerf.net).                                  */
+ /*---------------------------------------------------------------*/
++/* Modifications marked (GAW) were made by Garrett Wollman 2002-06-03 */
+ 
+ #include <stdio.h>
+ #include <ctype.h>
+@@ -51,7 +52,7 @@
+ char *bwb_ebuf;				/* error buffer */
+ static char *read_line;
+ int bwb_trace = FALSE;
+-FILE *errfdevice = stderr;              /* output device for error messages */
++FILE *errfdevice /* = stderr (GAW) */;  /* output device for error messages */
+ 
+ #if HAVE_LONGJUMP
+ jmp_buf mark;
+@@ -133,6 +134,7 @@
+    static char end_buf[] = "\0";
+ #endif
+ 
++   errfdevice = stderr;		/* XXX will just get overwritten below? (GAW)*/
+ #if INTENSIVE_DEBUG
+    prn_xprintf( stderr, "Memory Allocation Statistics:\n" );
+    prn_xprintf( stderr, "----------------------------\n" );