Fixed some protocol convertion bugs

src/de/tudarmstadt/informatik/hostage/sync/android/SyncUtils.java

@@ -71,8 +71,11 @@ public class SyncUtils {
 
     static {
         protocolsTypeMap = new HashMap<String, Integer>();
+        protocolsTypeMap.put("UNKNOWN", 0);
         protocolsTypeMap.put("ECHO", 1);
         protocolsTypeMap.put("GHOST", 2);
+        protocolsTypeMap.put("PORTSCAN", 11);
+        protocolsTypeMap.put("SSH", 20);
         protocolsTypeMap.put("MySQL", 31);
         protocolsTypeMap.put("SMB", 40);
         protocolsTypeMap.put("SIP", 50);
@@ -134,7 +137,7 @@ public class SyncUtils {
             if(entry.getValue() == p) return entry.getKey();
         }
 
-        return null;
+        return "UNKNOWN";
     }
 
     public static void appendRecordToStringWriter(Record record, Writer stream){