fix empty text facet entry

(noticed on Author facet)

source/net/yacy/peers/Protocol.java

@@ -502,7 +502,7 @@ public final class Protocol {
         // duetime    : maximum time that a peer should spent to create a result
 
         final long timestamp = System.currentTimeMillis();
-        event.addExpectedRemoteReferences(count);
+        event.addExpectedRemoteReferences(count);
         SearchResult result = null;
         for (String ip: target.getIPs()) {
             //if (ip.indexOf(':') >= 0) System.out.println("Search target: IPv6: " + ip);
@@ -531,7 +531,7 @@ public final class Protocol {
                 Network.log.info("SEARCH failed, Peer: " + target.hash + ":" + target.getName() + " (" + e.getMessage() + ")");
                 event.peers.peerActions.interfaceDeparture(target, ip);
                 return -1;
-            }
+            }
         }
         if (result == null) return -1;
         
@@ -1016,6 +1016,7 @@ public final class Protocol {
                 for (Count ff: values) {
                     int c = (int) ff.getCount();
                     if (c == 0) continue;
+                    if (ff.getName().length() == 0) continue; // facet entry without text is not useful
                     result.set(ff.getName(), c);
                 }
                 if (result.size() > 0) facets.put(field, result);