Refactored the type of the nfds of the poll(2).
Refactored the type of the nfds of the poll(2).

SumiTomohiko/fsyscall2,SumiTomohiko/fsyscall2,SumiTomohiko/fsyscall2,SumiTomohiko/fsyscall2,SumiTomohiko/fsyscall2