redox: Make ino_t be c_ulonglong (#3919)

(backport <#3919>)
(cherry picked from commit 7cab757)

Author: jackpot51

src/unix/redox/mod.rs

@@ -22,7 +22,7 @@ pub type clockid_t = ::c_int;
 pub type dev_t = ::c_long;
 pub type fsblkcnt_t = ::c_ulong;
 pub type fsfilcnt_t = ::c_ulong;
-pub type ino_t = ::c_ulong;
+pub type ino_t = ::c_ulonglong;
 pub type mode_t = ::c_int;
 pub type nfds_t = ::c_ulong;
 pub type nlink_t = ::c_ulong;