perf tools: Add missing break for PERF_RECORD_ITRACE_START

Missing switch break since introduction of new event:

c4937a91ea56 perf tools: handle PERF_RECORD_LOST_SAMPLES

Also removing unneeded break for PERF_RECORD_LOST_SAMPLES.

Signed-off-by: Jiri Olsa <[e-mail]>
Cc: Adrian Hunter <[e-mail]>
Cc: David Ahern <[e-mail]>
Cc: Kan Liang <[e-mail]>
Cc: Namhyung Kim <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/util/machine.c

···
 	case PERF_RECORD_AUX:
 		ret = machine__process_aux_event(machine, event); break;
 	case PERF_RECORD_ITRACE_START:
-		ret = machine__process_itrace_start_event(machine, event);
+		ret = machine__process_itrace_start_event(machine, event); break;
 	case PERF_RECORD_LOST_SAMPLES:
 		ret = machine__process_lost_samples_event(machine, event, sample); break;
-		break;
 	default:
 		ret = -1;
 		break;