message: Mark dialog templates as repr(packed)
diff: @@ -2509,7 +2509,8 @@ pub const HWND_TOP: HWND = 0 as HWND;
  pub const HWND_BOTTOM: HWND = 1 as HWND;
  pub const HWND_TOPMOST: HWND = -1isize as HWND;
  pub const HWND_NOTOPMOST: HWND = -2isize as HWND;
  -STRUCT!{struct DLGTEMPLATE {
  +// FIXME packed(2)
  +STRUCT!{#[repr(packed)] struct DLGTEMPLATE {
  style: DWORD,
  dwExtendedStyle: DWORD,
  cdit: WORD,
  @@ -2522,7 +2523,8 @@ pub type LPDLGTEMPLATEA = *mut DLGTEMPLATE;
  pub type LPDLGTEMPLATEW = *mut DLGTEMPLATE;
  pub type LPCDLGTEMPLATEA = *const DLGTEMPLATE;
  pub type LPCDLGTEMPLATEW = *const DLGTEMPLATE;
  -STRUCT!{struct DLGITEMTEMPLATE {
  +// FIXME packed(2)
  +STRUCT!{#[repr(packed)] struct DLGITEMTEMPLATE {
  style: DWORD,
  dwExtendedStyle: DWORD,
  x: c_short,
  