Auto merge of #1980 - JohnTitor:fix-link-warnings, r=JohnTitor

Fix link warnings on rustdoc

Author: bors

src/unix/mod.rs

@@ -1575,9 +1575,10 @@ cfg_if! {
                 all(target_os = "freebsd", any(freebsd11, freebsd10)),
                 link_name = "readdir_r@FBSD_1.0"
             )]
-            /// The 64-bit libc on Solaris and illumos only has readdir_r.  If a
+            #[allow(non_autolinks)] // FIXME: `<>` breaks line length limit.
+            /// The 64-bit libc on Solaris and illumos only has readdir_r. If a
             /// 32-bit Solaris or illumos target is ever created, it should use
-            /// __posix_readdir_r.  See libc(3LIB) on Solaris or illumos:
+            /// __posix_readdir_r. See libc(3LIB) on Solaris or illumos:
             /// https://illumos.org/man/3lib/libc
             /// https://docs.oracle.com/cd/E36784_01/html/E36873/libc-3lib.html
             /// https://www.unix.com/man-page/opensolaris/3LIB/libc/