musl: mips64: Fix type of nlink_t

musl defines nlink_t to be an unsigned 32-bit integer on mips64,
therefore changing the size of stat64 from 216 bytes to 208.

The current definition in the libc crate does not match this and
therefore defines stat64 wrong on mips64 musl, which results in bogus
readings of fields following st_nlink.

See
https://git.musl-libc.org/cgit/musl/tree/arch/mips64/bits/alltypes.h.in#n22
for the musl definition of nlink_t.

Signed-off-by: Jens Reidel <adrian@travitia.xyz>

Author: Gelbpunkt

src/unix/linux_like/linux/musl/b64/mips64.rs

@@ -4,7 +4,7 @@ use crate::prelude::*;
 pub type wchar_t = i32;
 pub type __u64 = c_ulong;
 pub type __s64 = c_long;
-pub type nlink_t = u64;
+pub type nlink_t = c_uint;
 pub type blksize_t = i64;
 
 s! {