perf stat: Fixup __perf_stat_evsel__is() prefix

This is a perf_stat_evsel method, so should have that as its prefix,
previously it was swapped as __perf_evsel_stat__is().
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/stat.c

@@ -76,8 +76,7 @@ double rel_stddev_stats(double stddev, double avg)
 	return pct;
 }
 
-bool __perf_evsel_stat__is(struct evsel *evsel,
-			   enum perf_stat_evsel_id id)
+bool __perf_stat_evsel__is(struct evsel *evsel, enum perf_stat_evsel_id id)
 {
 	struct perf_stat_evsel *ps = evsel->stats;
 

tools/perf/util/stat.h

@@ -187,11 +187,10 @@ struct perf_aggr_thread_value {
 	u64 ena;
 };
 
-bool __perf_evsel_stat__is(struct evsel *evsel,
-			   enum perf_stat_evsel_id id);
+bool __perf_stat_evsel__is(struct evsel *evsel, enum perf_stat_evsel_id id);
 
 #define perf_stat_evsel__is(evsel, id) \
-	__perf_evsel_stat__is(evsel, PERF_STAT_EVSEL_ID__ ## id)
+	__perf_stat_evsel__is(evsel, PERF_STAT_EVSEL_ID__ ## id)
 
 extern struct runtime_stat rt_stat;
 extern struct stats walltime_nsecs_stats;