added to build test-suite (need compile in util/)

git-svn-id: https://svn.apache.org/repos/asf/xerces/c/trunk@636521 13f79535-47bb-0310-9956-ffa450edef68

swig/Makefile.am

+SUBDIRS = util
+
+test-suite:
+	make -C util
+	cd perl && perl Makefile.PL
+	make -C perl test
+	touch $@