supv helper is a com IF now

linux/devices/ploc/PlocSupervisorHandler.cpp

@@ -150,7 +150,7 @@ ReturnValue_t PlocSupervisorHandler::executeAction(ActionId_t actionId,
       if (size > config::MAX_PATH_SIZE) {
         return SupvReturnValuesIF::FILENAME_TOO_LONG;
       }
-      result = supvHelper->startEventbBufferRequest(
+      result = supvHelper->startEventBufferRequest(
           std::string(reinterpret_cast<const char*>(data), size));
       if (result != returnvalue::OK) {
         return result;