enabling caching for dl_iterate_phdr()

[Ulrich Drepper]

David Mosberger wrote:

> In the meantime, it occurred to me that we can get rid of one of the
> "unsigned long long" variables by taking advantage of the fact that
> "_dl_nloaded == _dl_load_adds - _dl_load_subs"

_dl_nloaded is not available outside ld.so.

-- 
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖