dlinfo.3: Document the RTLD_DI_PHDR request

First added in glibc 2.36, backported upstream to glibc 2.34,
so mention 2.34.1 for the first version.

Signed-off-by: Florian Weimer <fweimer@redhat.com>
Message-ID: <87o75chpwb.fsf@oldenburg.str.redhat.com>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
1 file changed