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

[Ziqing Hui]

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