perf tools: Use list_move in ordered_events_delete function

As Namhyung pointed out we can use list_move in ordered_events_delete.
Signed-off-by: NJiri Olsa <jolsa@kernel.org>
Suggested-by: NNamhyung Kim <namhyung@kernel.org>
Acked-by: NDavid Ahern <dsahern@gmail.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-m8ae5s5cuwyytitgb6iqilid@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/ordered-events.c

@@ -96,8 +96,7 @@ ordered_events__new(struct ordered_events *oe, u64 timestamp)
 
 void ordered_events__delete(struct ordered_events *oe, struct ordered_event *event)
 {
-	list_del(&event->list);
-	list_add(&event->list, &oe->cache);
+	list_move(&event->list, &oe->cache);
 	oe->nr_events--;
 }