now <bsd.kernobj.mk> defines KERNSRCDIR correctly, pull it in earlier

and clean up related goop

etc/Makefile

@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.210 2002/04/10 12:05:20 lukem Exp $
+#	$NetBSD: Makefile,v 1.211 2002/04/10 14:57:45 lukem Exp $
 #	from: @(#)Makefile	8.7 (Berkeley) 5/25/95
 
 # Environment variables without default values:
@@ -35,12 +35,13 @@
 # an objdir would break the installation stuff below
 NOOBJ=		# defined
 
-# do this before bsd.own.mk so we get correct KERNSRCDIR
-.include "../Makefile.inc"
-
 # For NO_SENDMAIL, INSTPRIV, MKCRYPTO
 .include <bsd.own.mk>
 
+# For KERNSRCDIR, KERNOBJDIR, ...
+.include <bsd.kernobj.mk>
+
+
 .MAKEOVERRIDES+=	USETOOLS
 
 TZDIR=		/usr/share/zoneinfo
@@ -132,8 +133,6 @@ TARGET_ENDIANNESS=
 .endif
 .endif	# release || snapshot || distribution				# }
 
-.include <bsd.kernobj.mk>
-
 obj:
 	mkdir -p ${KERNOBJDIR}