r23726: Explicitly pass down the FLAGS2 field to srvstr_pull_buf. The next

r23726: Explicitly pass down the FLAGS2 field to srvstr_pull_buf. The next
checkin will pull this up to srvstr_get_path. At that point we can get more
independent of the inbuf, the base_ptr in pull_string will only be used
to satisfy UCS2 alignment constraints.
(This used to be commit 836782b07bf133e9b2598c4a089f1c810e4c7754)