* elf/dl-conflict.c (_dl_resolve_conflicts): Add unused attribute
for resolve_conflict_map since RESOLVE_CONFLICT_FIND_MAP is not
used on all architectures.
* sunrpc/svc_tcp.c: Add noreturn attribute for
svctcp_rendezvous_abort.
* sunrpc/svc_unix.c: Likewise for svcunix_rendezvous_abort.
* sysdeps/generic/strstr.c (strstr): Add paranthese for assignment
to avoid warning.