bugfix: location url for migrate urldb button onclick

htroot/IndexFederated_p.html

@@ -27,7 +27,7 @@
       The rwi index is necessary for index transmission and shall be switched off in future portalmode configurations.
       <dl>
       <dt><input type="checkbox" name="core.service.fulltext" id="core.service.fulltext" #(core.service.fulltext.checked)#:: checked="checked"#(/core.service.fulltext.checked)# /></dt><dd>url metadata and embedded solr fulltext search index, interface at: <a href="/solr/select?q=*:*&start=0&rows=10" target="_blank">/solr/select?q=*:*&amp;start=0&amp;rows=10</a>
-        #(migrateUrlDbtoSolr)#:: <input type="button" class="submitready" onclick="window.location = '/api/migrateurldb_p.html';" value="migrate old index" />#(/migrateUrlDbtoSolr)# </dd>
+        #(migrateUrlDbtoSolr)#:: <input type="button" class="submitready" onclick="window.location = 'migrateurldb_p.html';" value="migrate old index" />#(/migrateUrlDbtoSolr)# </dd>
       <dt><input type="checkbox" name="core.service.rwi.tmp" id="core.service.rwi" #(core.service.rwi.tmp.checked)#:: checked="checked"#(/core.service.rwi.tmp.checked)# /></dt><dd>embedded 'classic' rwi index</dd>
       <dt><input type="checkbox" name="core.service.citation.tmp" id="core.service.citation" #(core.service.citation.tmp.checked)#:: checked="checked"#(/core.service.citation.tmp.checked)# /></dt><dd>embedded citation reference index (link structure, used for ranking)</dd>
       <dt></dt><dd><input type="submit" name="set" value="Set" /></dd>