Creating Enterprise installers is back again working.

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@9409 b35dd754-fafc-0310-a699-88a17e54d16e

build/build.xml

@@ -1064,6 +1064,7 @@
         </if>
 
         <install4j projectfile="${installer.install4j.srcfile}" destination="${installer.dest.dir}">
+            <variable name="RELEASE_DIR" value="${dist.prefix}"/>
             <variable name="VERSION_MAJOR" value="${version.major}"/>
             <variable name="VERSION_MINOR" value="${version.minor}"/>
             <variable name="VERSION_REVISION" value="${install4j.revision}"/>