[DynInst_API:] [dyninst/dyninst] 9d8c51: Write to stderr in ParseAPI::parsing_printf

[Tim Haines <noreply@xxxxxxxxxx>]

  Branch: refs/heads/thaines/parseapi_parsing_printf
  Home:   https://github.com/dyninst/dyninst
  Commit: 9d8c51621c6fc8f9e8a3ec00b8bbc0f5c9307b34
      https://github.com/dyninst/dyninst/commit/9d8c51621c6fc8f9e8a3ec00b8bbc0f5c9307b34
  Author: Tim Haines <thaines.astro@xxxxxxxxx>
  Date:   2023-12-23 (Sat, 23 Dec 2023)

  Changed paths:
    M parseAPI/src/debug_parse.C

  Log Message:
  -----------
  Write to stderr in ParseAPI::parsing_printf

Using a per-thread file here is cumbersome. Including the thread id in
the message and synchronizing vprintf makes this work for multiple
threads.