merging Fix Windows compilation with c++20 | thiagoelg#81

Author: notnikola1

src/node_printer_win.cc

@@ -27,18 +27,18 @@ namespace{
         * @param iSizeKbytes size in bytes of required allocating memory
         */
         MemValue(const DWORD iSizeKbytes) {
-            _value = (Type*)malloc(iSizeKbytes);
+	   this->_value = (Type*)malloc(iSizeKbytes);
         }
-		
+
         ~MemValue () {
             free();
         }
     protected:
         virtual void free() {
-            if(_value != NULL)
+            if(this->_value != NULL)
             {
-                ::free(_value);
-                _value = NULL;
+                ::free(this->_value);
+                this->_value = NULL;
             }
         }
     };
@@ -747,4 +747,4 @@ MY_NODE_MODULE_CALLBACK(PrintFile)
 {
     MY_NODE_MODULE_HANDLESCOPE;
     RETURN_EXCEPTION_STR("Not yet implemented on Windows");
-}
+}