increase max line size from 1024 to 4096, hopefully

LEGAL

@@ -1,8 +1,12 @@
+$MirBSD: LEGAL,v 1.2 2003/04/12 14:32:14 tg Exp $
 $OpenBSD: LEGAL,v 1.1.1.1 1996/08/14 06:19:10 downsj Exp $
 
 pdksh is provided AS IS, with NO WARRANTY, either expressed or implied.
 
 The vast majority of the code that makes pdksh is in the public domain.
+
+The exceptions are not included in the MirBSD source tree.
+
 The exceptions are:
 	sigact.c and sigact.h
 		These are covered by copyrighten by Simon J. Gerraty;