define VHOST_PATH with configure option. this macros was echoed directly to

config.h before.

diff --git pure-ftpd/configure.ac pure-ftpd/configure.ac

index d301133..e5581df 100644

--- pure-ftpd/configure.ac

+++ pure-ftpd/configure.ac

@@ -732,6 +732,12 @@ AC_ARG_WITH(virtualhosts,

       AC_DEFINE(WITH_VIRTUAL_HOSTS,,[with virtualhosts])

   fi ])

+AC_ARG_WITH(vhostpath,

+[AS_HELP_STRING(--with-vhostpath,virtual hosts path)],

+[ if test -n "$withval"; then

+      AC_DEFINE_UNQUOTED(VHOST_PATH,"$withval",[virtual host path])

+  fi ])

+

 AC_ARG_WITH(virtualchroot,

 [AS_HELP_STRING(--with-virtualchroot,Enable the ability to follow symlinks outside a chroot jail)],

 [ if test "x$withval" = "xyes" ; then