Fix for bug 2630 (Build on Linux - Incorrect slash in #include)
- Change backslash to forward slash in sf_sys.cpp
EXPORTS
_ZN6MiscHw16PlayBeepSequenceEPKiiPFvPvES2_ @ 1 NONAME ; MiscHw::PlayBeepSequence(int const*, int, void (*)(void*), void*)
_ZN6MiscHw18CancelBeepSequenceEv @ 2 NONAME ; MiscHw::CancelBeepSequence()
_ZN6MiscHw23SetSoundDriverRecordingEi @ 3 NONAME ; MiscHw::SetSoundDriverRecording(int)