mkdir-p: Depend on 'mkdir'

[Bruno Haible]

lib/mkdir-p.c also uses mkdir(), thus would produce an error on old mingw
versions. This fixes it.


2018-10-05  Bruno Haible  <br...@clisp.org>

        mkdir-p: Depend on 'mkdir'.
        * modules/mkdir-p (Depends-on): Add 'mkdir'.

diff --git a/modules/mkdir-p b/modules/mkdir-p
index fed3490..479b92e 100644
--- a/modules/mkdir-p
+++ b/modules/mkdir-p
@@ -16,6 +16,7 @@ gettext-h
 lchmod
 lchown
 mkancesdirs
+mkdir
 quote
 savewd
 stat