fix for icq+jabber icons

see http://www.yacy-forum.de/viewtopic.php?p=20533#20533

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@2046 6c8d7289-2bf4-0310-a012-ef5d649a1542

htroot/ViewProfile.java

@@ -167,11 +167,11 @@ public class ViewProfile {
             }
 
             //all known Keys which should be set as they are
-            if (knownKeys.contains(key)) {
+            if ((knownKeys.contains(key)) && (value.length() > 0)) {
                 prop.put("success_" + key, 1);
                 prop.put("success_" + key + "_value", value);
                 //special handling, hide flower if no icq uin is set
-            } else if (key.equals("homepage")) {
+            } else if ((key.equals("homepage")) && (value.length() > 0)) {
                 if (!(value.startsWith("http"))) {
                     value = "http://" + value;
                 }