[PATCH 2/6] windowscodecs: Add IWICWineDecoder stub for DDS decoder.

[Ziqing Hui]

Initializing cube map and uncompressed DDS is not supported in WIC.
But we would like to use them in other part of wine. So we introduce
a Wine-specific interface to initialize them.

Signed-off-by: Ziqing Hui <zhui(a)codeweavers.com>
---
 dlls/windowscodecs/ddsformat.c | 40 ++++++++++++++++++++++++++++++++++
 include/wincodec.idl           | 10 +++++++++
 2 files changed, 50 insertions(+)