Fix indentation in xinterpreter.cpp

Author: mcbarton

src/xinterpreter.cpp

@@ -112,7 +112,7 @@ __get_cxx_version ()
         //NOLINTNEXTLINE (cppcoreguidelines-pro-bounds-pointer-arithmetic)
         createInterpreter(Args(argv ? argv + 1 : argv, argv + argc));
         m_version = get_stdopt();
-	m_language = Cpp::GetLanguage(nullptr);
+	    m_language = Cpp::GetLanguage(nullptr);
         redirect_output();
         init_preamble();
         init_magic();