upsampling_sse2.c: clear int sanitizer warnings
clears warnings of the form:
src/dsp/upsampling_sse2.c:169:1: runtime error: implicit conversion from
type 'int' of value -16 (32-bit, signed) to type 'unsigned long' changed
the value to (64-bit, unsigned)
@@ -121,7 +121,7 @@ static void FUNC_NAME(const uint8_t* top_y, const uint8_t* bottom_y, \
int uv_pos, pos; \
/* 16byte-aligned array to cache reconstructed u and v */ \
uint8_t uv_buf[14 * 32 + 15] = { 0 }; \
- uint8_t* const r_u = (uint8_t*)((uintptr_t)(uv_buf + 15) & ~15); \
+ uint8_t* const r_u = (uint8_t*)((uintptr_t)(uv_buf + 15) & ~(uintptr_t)15); \
uint8_t* const r_v = r_u + 32; \
\
assert(top_y != NULL); \
