HPCC-9050 Need to update the helper version number since incompatible

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>

rtl/include/eclhelper.hpp

@@ -39,8 +39,8 @@ if the supplied pointer was not from the roxiemem heap. Usually an OwnedRoxieStr
 
 //Should be incremented whenever the virtuals in the context or a helper are changed, so
 //that a work unit can't be rerun.  Try as hard as possible to retain compatibility.
-#define ACTIVITY_INTERFACE_VERSION      147
-#define MIN_ACTIVITY_INTERFACE_VERSION  147             //minimum value that is compatible with current interface - without using selectInterface
+#define ACTIVITY_INTERFACE_VERSION      148
+#define MIN_ACTIVITY_INTERFACE_VERSION  148             //minimum value that is compatible with current interface - without using selectInterface
 
 typedef unsigned char byte;