OF-373 bandaid to support ant 1.8.x for now, until somebody smarter

than me can properly fix it.  


git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@11768 b35dd754-fafc-0310-a699-88a17e54d16e

build/build.xml

@@ -225,6 +225,7 @@
                 <or>
                     <contains string="${ant.version}" substring="1.6"/>
                     <contains string="${ant.version}" substring="1.7"/>
+                    <contains string="${ant.version}" substring="1.8"/>
                 </or>
             </not>
         </condition>