dirent: Update documentation

[Bruno Haible]

The 'dirent' module provides a replacement dirent.h for MSVC since 2011-09-13.


2018-10-07  Bruno Haible  <address@hidden>

        dirent: Update documentation.
        * doc/posix-headers/dirent.texi: The MSVC issue is fixed by Gnulib.

diff --git a/doc/posix-headers/dirent.texi b/doc/posix-headers/dirent.texi
index d61ffa6..0143c7b 100644
--- a/doc/posix-headers/dirent.texi
+++ b/doc/posix-headers/dirent.texi
@@ -8,6 +8,10 @@ Gnulib module: dirent
 Portability problems fixed by Gnulib:
 @itemize
 @item
+This header file is missing on some platforms:
+MSVC 14.
+
address@hidden
 The type @code{ino_t} is missing on some platforms:
 glibc 2.23 and others.
 
@@ -16,10 +20,6 @@ glibc 2.23 and others.
 Portability problems not fixed by Gnulib:
 @itemize
 @item
-This header file is missing on some platforms:
-MSVC 14.
-
address@hidden
 Although many systems define a @code{struct dirent} member named
 @code{d_type} and directory entry type macros like @code{DT_DIR} and
 @code{DT_LNK}, some do not: