Fix clang-format errors introduced in commit f98cca3

Author: AhmedFatthy1040

src/xinterpreter.cpp

@@ -382,8 +382,12 @@ __get_cxx_version ()
         std::istringstream stream(non_standard_paths);
         std::string path;
         while (std::getline(stream, path, path_separator))
-            if (!path.empty())
-                Cpp::AddIncludePath(path.c_str());
++        {
+             if (!path.empty())
++            {
+                 Cpp::AddIncludePath(path.c_str());
++            }
++        }
     }
 
     void interpreter::init_preamble()