Fix VS linker problem.
* build.conf
(libsvn_sub): Add yet another private header to the list of exports.
@@ -391,6 +391,7 @@ msvc-export =
private\svn_string_private.h private\svn_magic.h
private\svn_subr_private.h private\svn_mutex.h
private\svn_packed_data.h private\svn_object_pool.h private\svn_cert.h
+ private\svn_config_private.h
# Working copy management lib
[libsvn_wc]
