perf annotate: Handle PERF_RECORD_EXIT events

Noticed annotate wasn't handling those events while introducing
perf_event__process_{fork,exit}.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-of7tc8eqeuk3cupc6f7jtuq6@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-annotate.c

@@ -246,6 +246,7 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __maybe_unused)
 			.sample	= process_sample_event,
 			.mmap	= perf_event__process_mmap,
 			.comm	= perf_event__process_comm,
+			.exit	= perf_event__process_exit,
 			.fork	= perf_event__process_fork,
 			.ordered_samples = true,
 			.ordering_requires_timestamps = true,