comex b5654a2464 Don't cast -1 to enum to represent a missing value.
This is undefined behavior in C++, and a clang warning suggests it is
actually producing bad code as a result:

../Source/Core/VideoCommon/BPFunctions.cpp:164:45: warning: comparison of constant 4294967295 with expression of type 'PEControl::PixelFormat' is always false [-Wtautological-constant-out-of-range-compare]
        if (new_format == old_format || old_format == (unsigned int)-1)
2014-03-30 01:40:06 -04:00
..
2014-03-27 14:16:16 -07:00
2014-03-27 20:26:52 -04:00