Fixes clang warning: ``` ../dlls/d3d10/tests/effect.c:9150:33: warning: implicit conversion from 'unsigned int' to 'float' changes value from 4294967295 to 4294967296 [-Wimplicit-const-int-float-conversion] ok(blend_factor[idx] == UINT_MAX, "Got unexpected blend_factor[%u] %.8e.\n", idx, blend_factor[idx]); ~~ ^~~~~~~~ ../include/msvcrt/limits.h:27:21: note: expanded from macro 'UINT_MAX' #define UINT_MAX 0xffffffffU ^~~~~~~~~~~ ```
-- v2: d3d10/tests: Avoid implicit cast changing value.