Fixed whilerow.

__whilerow.cpp

@@ -11,6 +11,7 @@ namespace jet {
       
       while  ((count != 0) && global.getSession(variables["sessionid"])->hasRow()) {	
 	 processContainer(container);
+	 container.reset();
 	 global.getSession(variables["sessionid"])->nextRow();
 	 --count;
       }