[ros-diffs] [tkreuzer] 28045: - implement NtUserHideCaret, make NtUserShowCaret prototype match XP ones. - update w32ksvc.db - update ntuser.h - remove implementations of ShowCaret and HideCaret from user32, redirectexports to nt functions - add macros for ShowCaret / HideCaret to user32p.h to resolve user32 internal references