[PATCH 4/8] windowscodecs/tests: Introduce is_compressed().

[Ziqing Hui]

Signed-off-by: Ziqing Hui 
---
 dlls/windowscodecs/tests/ddsformat.c | 38 ++++++++++++++++++----------
 1 file changed, 25 insertions(+), 13 deletions(-)

[Esme Povirk (they/them)]

Signed-off-by: Esme Povirk