fix

Author: SteveLauC

src/sys/select.rs

@@ -351,7 +351,7 @@ mod tests {
 
         let fd_seven = unsafe { BorrowedFd::borrow_raw(7) };
         fd_set.insert(&fd_seven);
-        fd_set.remove(&fd_seven);
+        fd_set.remove(fd_seven);
 
         for i in 0..FD_SETSIZE {
             let borrowed_i = unsafe { BorrowedFd::borrow_raw(i as RawFd) };
@@ -399,12 +399,12 @@ mod tests {
             set.highest().map(|borrowed_fd| borrowed_fd.as_raw_fd()),
             Some(90)
         );
-        set.remove(&fd_zero);
+        set.remove(fd_zero);
         assert_eq!(
             set.highest().map(|borrowed_fd| borrowed_fd.as_raw_fd()),
             Some(90)
         );
-        set.remove(&fd_ninety);
+        set.remove(fd_ninety);
         assert_eq!(
             set.highest().map(|borrowed_fd| borrowed_fd.as_raw_fd()),
             None