make things work on SunOS
diff --git a/src/lib9/sysfatal.c b/src/lib9/sysfatal.c
index 33a533b..00229db 100644
--- a/src/lib9/sysfatal.c
+++ b/src/lib9/sysfatal.c
@@ -15,7 +15,7 @@
 	va_end(arg);
 
 	__fixargv0();
-	fprint(2, "%s; %s\n", argv0 ? argv0 : "<prog>", buf);
+	fprint(2, "%s: %s\n", argv0 ? argv0 : "<prog>", buf);
 	exits("fatal");
 }