--- ./source/lib/xfile.c.orig	2004-04-03 23:37:36.000000000 -0800
+++ ./source/lib/xfile.c	2004-11-01 23:42:04.000000000 -0800
@@ -135,7 +135,9 @@
 		memset(f->buf, 0, f->bufsize);
 		SAFE_FREE(f->buf);
 	}
-	SAFE_FREE(f);
+	if ( f != &_x_stdin && f != &_x_stdout && f != &_x_stderr ) {
+		SAFE_FREE(f);
+	}
 	return ret;
 }