a bit of cleanup and a extra variable for CVS dist Daniel

* Makefile.am configure.in: a bit of cleanup and a extra variable for
  CVS dist
Daniel
diff --git a/configure.in b/configure.in
index f30171b..5163568 100644
--- a/configure.in
+++ b/configure.in
@@ -13,7 +13,12 @@
 LIBXML_VERSION_NUMBER=`expr $LIBXML_MAJOR_VERSION \* 10000 + $LIBXML_MINOR_VERSION \* 100 + $LIBXML_MICRO_VERSION`
 
 if test -f CVS/Entries; then
-  LIBXML_VERSION_EXTRA=-CVS`grep ChangeLog CVS/Entries | sed -e s\%/ChangeLog/1\.%% -e s\%/.*$%%`
+  extra=`grep ChangeLog CVS/Entries | grep -v LIBXML | sed -e s\%/ChangeLog/1\.%% -e s\%/.*$%%`
+  echo extra=$extra
+  if test "$extra" != ""
+  then
+      LIBXML_VERSION_EXTRA="-CVS$extra"
+  fi
 fi
 AC_SUBST(LIBXML_MAJOR_VERSION)
 AC_SUBST(LIBXML_MINOR_VERSION)