Work around missing getpeereid declaration on AIX.
* configure.ac: Check for a declaration of getpeereid. * src/assuan-socket-server.c (getpeereid) [HAVE_GETPEEREID && !HAVE_DECL_GETPEEREID]: Declare function. (accept_connection_bottom): Adjust a comment.
- GnuPG-bug-id: T7631
- Signed-off-by: Collin Funk <collin.funk1@gmail.com>