* winuser.h: Fix several typos found by Rinrin <rinrin@imbrian.org>:
(TOUCHEVENTMASKF_TIMEFROMSYSTEM): Rename to
 TOUCHINPUTMASKF_TIMEFROMSYSTEM.
(TOUCHEVENTMASKF_EXTRAINFO): Rename to TOUCHINPUTMASKF_EXTRAINFO.
(TOUCHEVENTMASKF_CONTACTAREA): Rename to TOUCHINPUTMASKF_CONTACTAREA.
(struct _TOUCHINPUT): Fix member name from wMask to dwMask.

git-svn-id: svn+ssh://svn.code.sf.net/p/mingw-w64/code/trunk@4719 4407c894-4637-0410-b4f5-ada5f102cad1