$NetBSD: patch-af,v 1.1 1998/10/28 01:29:16 hubertf Exp $

--- doscmd.c.BAK	Wed Oct 28 01:57:30 1998
+++ doscmd.c	Wed Oct 28 01:58:17 1998
@@ -581,7 +581,11 @@
 	SET16(sc.sc_fs, 0x0000);
 	SET16(sc.sc_gs, 0x0000);
 	
+#if defined(__LIBC12_SOURCE__)
 	sc.sc_mask = 0;
+#else
+	sigemptyset(&sc.sc_mask);
+#endif
 	sc.sc_onstack = 0;
 
 	if (tflag) {