message: Fix spelling after inbox merge
diff: @@ -52,6 +52,8 @@ hotkeys
  href
  hrgn
  HTCLOSE
  +HWINSTA
  +hwinsta
  IActivation
  IApp
  IAppearance
  @@ -89,6 +91,8 @@ llabs
  llu
  localtime
  lround
  +Lsa
  +lsass
  LSHIFT
  MENUCOMMAND
  MENUDATA
  @@ -180,11 +184,16 @@ TVal
  UChar
  UFIELD
  ULARGE
  +UOI
  UPDATEINIFILE
  userenv
  +USEROBJECTFLAGS
  +WSF
  wcsstr
  wcstoui
  winmain
  +winsta
  +winstamin
  wmemcmp
  wpc
  wsregex
  