Properly initializing variable in IE driver

Author: jimevans

cpp/iedriver/CommandHandlers/ClickElementCommandHandler.cpp

@@ -127,7 +127,7 @@ void ClickElementCommandHandler::ExecuteInternal(const IECommandExecutor& execut
 
           LocationInfo click_location = {};
           long obscuring_element_index = -1;
-          std::string obscuring_element_description;
+          std::string obscuring_element_description = "";
           bool obscured = element_wrapper->IsObscured(&click_location,
                                                       &obscuring_element_index,
                                                       &obscuring_element_description);