doc: Small updates

[Bruno Haible]

Mac OS X >= 10.3.4 has ptsname_r.
And FreeBSD >= 13 has a POSIX-compliant getlogin_r declaration.


2021-12-24  Bruno Haible  <bruno@clisp.org>

        doc: Small updates.
        * doc/glibc-functions/ptsname_r.texi: Update info regarding Mac OS X.
        * doc/posix-functions/getlogin_r.texi: Update info regarding FreeBSD.

diff --git a/doc/glibc-functions/ptsname_r.texi 
b/doc/glibc-functions/ptsname_r.texi
index 6db6dcba3..c09d096b6 100644
--- a/doc/glibc-functions/ptsname_r.texi
+++ b/doc/glibc-functions/ptsname_r.texi
@@ -21,7 +21,7 @@ Portability problems fixed by Gnulib:
 @itemize
 @item
 This function is missing on some platforms:
-Mac OS X 10.5, FreeBSD 12.0, NetBSD 5.0, OpenBSD 6.7, Minix 3.1.8,
+Mac OS X 10.12, FreeBSD 12.0, NetBSD 5.0, OpenBSD 6.7, Minix 3.1.8,
 AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 11.4, Cygwin 1.7.9, mingw,
 MSVC 14.
 @item
diff --git a/doc/posix-functions/getlogin_r.texi 
b/doc/posix-functions/getlogin_r.texi
index ea8fb6924..b63f774ca 100644
--- a/doc/posix-functions/getlogin_r.texi
+++ b/doc/posix-functions/getlogin_r.texi
@@ -25,7 +25,7 @@ Portability problems not fixed by Gnulib:
 @itemize
 @item
 This function has an incompatible declaration on some platforms:
-MidnightBSD 2.0, Solaris 11.4 (when @code{_POSIX_PTHREAD_SEMANTICS} is not 
defined).
+FreeBSD 12.0, MidnightBSD 2.0, Solaris 11.4 (when 
@code{_POSIX_PTHREAD_SEMANTICS} is not defined).
 @item
 This function fails even when standard input is a tty on some platforms:
 HP-UX 11.11.