Bool type arithmetic operations

[QiAnXinCodeSafe]

Hi all, This is Qianxin CodeSafe Team, we found a suspicious issue, at

https://github.com/cisco/openh264/blob/3668daf135dea7d18737b01ce32774a7a2ffba32/codec/decoder/core/src/deblocking.cpp#L685

Performing arithmetic operations on Boolean values may operate differently than performing operations on integer values, which can lead to unexpected results