[PATCH v2] windowscodecs: Add stub for IWICDdsEncoder.

[Ziqing Hui]

Signed-off-by: Ziqing Hui 
---

v2: Fix typo in QueryInterface.

dlls/windowscodecs/ddsformat.c | 63 ++++++++++++++++++++++++++++++++--
 include/wincodec.idl           | 19 ++++++++++
 2 files changed, 80 insertions(+), 2 deletions(-)

[Esme Povirk (they/them)]

Signed-off-by: Esme Povirk