Expose futimens and utimensat on Apple platforms

Author: jmmv

src/unix/bsd/apple/mod.rs

@@ -2427,6 +2427,9 @@ extern {
                     len: *mut ::off_t,
                     hdtr: *mut ::sf_hdtr,
                     flags: ::c_int) -> ::c_int;
+    pub fn futimens(fd: ::c_int, times: *const ::timespec) -> ::c_int;
+    pub fn utimensat(dirfd: ::c_int, path: *const ::c_char,
+                     times: *const ::timespec, flag: ::c_int) -> ::c_int;
     pub fn openpty(amaster: *mut ::c_int,
                    aslave: *mut ::c_int,
                    name: *mut ::c_char,