Update lib/Interpreter/CppInterOp.cpp

Co-authored-by: Vassil Vassilev <[email protected]>

Author: mcbarton

lib/Interpreter/CppInterOp.cpp

@@ -3443,8 +3443,7 @@ namespace Cpp {
     struct file_deleter {
       void operator()(FILE* fp) { pclose(fp); }
     };
-    using file_pointer = std::unique_ptr<FILE, file_deleter>;
-    file_pointer m_TempFile;
+    std::unique_ptr<FILE, file_deleter> m_TempFile;
     int m_FD = -1;
     int m_DupFD = -1;