gh-443 More regressions from cmake refactoring

More missing directories

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>

system/CMakeLists.txt

@@ -17,9 +17,10 @@
 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ################################################################################
 add_subdirectory (hrpc)
+add_subdirectory (include)
 add_subdirectory (jhtree)
 add_subdirectory (jlib)
 add_subdirectory (lzma)
 add_subdirectory (mp)
 add_subdirectory (security)
-add_subdirectory (xmllib)
+add_subdirectory (xmllib)