applied patch from http://www.yacy-forum.de/viewtopic.php?p=27392#27392

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@3130 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/de/anomic/kelondro/kelondroFlexSplitTable.java

@@ -272,7 +272,6 @@ public class kelondroFlexSplitTable implements kelondroIndex {
         }
 
         public Object next() {
-            if (t.hasNext()) {
             if ((tt == null) || (!(tt.hasNext()))) {
                 try {
                     tt = ((kelondroIndex) t.next()).rows(true, false, null);
@@ -283,10 +282,8 @@ public class kelondroFlexSplitTable implements kelondroIndex {
             if (tt.hasNext()) {
                 return tt.next();
             } else {
-                    return null;
-                }
+                return this.next(); // t is empty, try next table
             }
-            return null;
         }
 
         public void remove() {