[ros-svn] [navaraf] 14246: - Move WINDOWOBJECT_NEED_INTERNALPAINT flag handling to NtGdiBeginPaint.

[navaraf at svn.reactos.com]

- Move WINDOWOBJECT_NEED_INTERNALPAINT flag handling to NtGdiBeginPaint.
- Fix IntGetPaintMessage to not return TRUE when no message was returned.
- IntIsWindowDirty shouldn't check for the WINDOWOBJECT_NEED_NCPAINT flag (at least not now).



Updated files:
trunk/reactos/subsys/win32k/ntuser/painting.c