Fix for bug 2630 (Build on Linux - Incorrect slash in #include)
- Change backslash to forward slash in sf_sys.cpp
EXPORTS
_Z7Export1v @ 1 NONAME ; Export1()
_Z7Export2v @ 2 NONAME ; Export2()
_Z7Export3v @ 3 NONAME ; Export3()
_Z7Export4v @ 4 NONAME ABSENT ; Export4()
_Z7Export5i @ 5 NONAME ; Export5(int)