SICS-607 Fix hipadaba chain callbacks. Reverted code commented out by PSI.

sicshipadaba.c

@@ -3224,12 +3224,10 @@ static hdbCallbackReturn ChainCallback(pHdb node, void *userData,
   }
 
   if (slave != NULL) {
-    /*
     memset(&vv, 0, sizeof(hdbValue));
     GetHipadabaPar(slave, &vv, mm->callData);
-    */
     UpdateHipadabaPar(slave, *(mm->v), mm->callData);
-    /* ReleaseHdbValue(&vv); */
+    ReleaseHdbValue(&vv);
   }
   return hdbContinue;
 }