Attempt fix

Author: mcbarton

src/xinterpreter.cpp

@@ -101,8 +101,8 @@ int __get_cxx_version () {
 __get_cxx_version ()
       )";
 
-      auto cxx_version = Cpp::Evaluate(code);
-      return std::to_string(cxx_version);
+        auto cxx_version = Cpp::Evaluate(code);
+        return std::to_string(cxx_version);
     }
 
 
@@ -132,7 +132,7 @@ __get_cxx_version ()
         const std::string& code,
         bool silent,
         bool /*store_history*/,
-        nl::json /*user_expressions*/,
+        nl::json /*user_expressions*/
     )
     {
         nl::json kernel_res;