move $VERSION from Makefile.inc into the single Makefile that uses it.

this should do two nice things:
- eliminate "nbsed" missing messages in builds
- slightly speed up the build by removing a few dozen exec sed calls

crypto/external/bsd/heimdal/Makefile.inc

@@ -1,4 +1,4 @@
-# $NetBSD: Makefile.inc,v 1.5 2019/12/17 00:17:00 christos Exp $
+# $NetBSD: Makefile.inc,v 1.6 2020/07/23 07:53:35 mrg Exp $
 
 HEIMBASE?=	${NETBSDSRCDIR}/crypto/external/bsd/heimdal
 HEIMDIST=	${HEIMBASE}/dist
@@ -16,8 +16,6 @@ LIBIPC_PIC=	${LIBIPCDIR}/libipc.a
 LIBIPC_PIC=	${LIBIPCDIR}/libipc_pic.a
 .endif
 
-VERSION!= ${TOOL_SED} -ne 's/.*PACKAGE_VERSION[ 	]*"\([0-9.]*\)"/\1/p' ${.PARSEDIR}/include/config.h
-
 .if ${USETOOLS} != "yes"
 COMPILEETOBJ!=     cd ${HEIMBASE}/lib/libcom_err/compile_et && ${PRINTOBJDIR}
 TOOL_COMPILE_ET=   ${COMPILEETOBJ}/compile_et

crypto/external/bsd/heimdal/bin/krb5-config/Makefile

@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.4 2019/12/17 00:16:26 christos Exp $
+#	$NetBSD: Makefile,v 1.5 2020/07/23 07:53:35 mrg Exp $
 
 .include <bsd.own.mk>
 .include <${.CURDIR}/../../Makefile.inc>
@@ -10,6 +10,8 @@ MAN=		krb5-config.1
 
 CLEANFILES+=	krb5-config
 
+VERSION!= ${TOOL_SED} -ne 's/.*PACKAGE_VERSION[ 	]*"\([0-9.]*\)"/\1/p' ${HEIMBASE}/include/config.h
+
 krb5-config: krb5-config.in
 	${TOOL_SED} \
 		-e "s!@PACKAGE\@!heimdal!g" \