Reactos

[COMDLG32] GetOpen/GetSaveFileName: Improve extension handling (#5640) master

- Improve GetOpenFileName and GetSaveFileName functions. - Add FILEDLG95_GetFallbackExtension and FILEDLG95_AddDotExtIfNeeded helper functions. - Modify FILEDLG95_ValidatePathAction and FILEDLG95_OnOpen functions. CORE-19148, CORE-15020


+118 -95
3 changed files