add abi_version.sh and package_version.sh in package

Makefile.am

@@ -3,7 +3,9 @@ ACLOCAL_AMFLAGS = -I m4
 DISTCLEANFILES = @DOLT_CLEANFILES@
 
 EXTRA_DIST = \
-	contrib/spnego/spnego.asn1
+	abi_version.sh \
+	package_version.sh \
+	contrib/spnego/spnego.asn1 \
 	contrib/spnego/spnego_asn1.c
 
 CFLAGS = -I$(top_srcdir)/contrib -I$(top_srcdir)/include -I$(top_srcdir)/compat @TASN1_CFLAGS@ @CFLAGS@ @PTHREAD_CFLAGS@