Improve gettimeofday() on Windows (if it compiles).
Improve gettimeofday() on Windows (if it compiles).

weinrank/usrsctp,CoolmanCZ/usrsctp,sctplab/usrsctp,CoolmanCZ/usrsctp,weinrank/usrsctp,CoolmanCZ/usrsctp,weinrank/usrsctp,sctplab/usrsctp,sctplab/usrsctp,CoolmanCZ/usrsctp