[PATCH 4/5] windowscodecs/tests: Merge decode_bc*() into a single function.

[Ziqing Hui]

Signed-off-by: Ziqing Hui 
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 dlls/windowscodecs/tests/ddsformat.c | 208 +++++++++++----------------
 1 file changed, 80 insertions(+), 128 deletions(-)