[PATCH 6/6] windowscodecs: Implement DdsDecoder_GetFrameCount().

[Ziqing Hui]

Signed-off-by: Ziqing Hui 
---
 dlls/windowscodecs/ddsformat.c       | 39 +++++++++++++++++++++++++---
 dlls/windowscodecs/tests/ddsformat.c |  2 --
 2 files changed, 35 insertions(+), 6 deletions(-)

[Esme Povirk (they/them)]

This should check if the decoder has been initialized.