perf: pmus: Remove unneeded semicolon

./tools/perf/util/pmu.c:1776:49-50: Unneeded semicolon

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9443
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Reviewed-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: https://lore.kernel.org/r/20240628053049.44521-1-yang.lee@linux.alibaba.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>

Author: Yang Li

tools/perf/util/pmu.c

@@ -1790,7 +1790,7 @@ size_t perf_pmu__num_events(struct perf_pmu *pmu)
 	size_t nr;
 
 	pmu_aliases_parse(pmu);
-	nr = pmu->sysfs_aliases + pmu->sys_json_aliases;;
+	nr = pmu->sysfs_aliases + pmu->sys_json_aliases;
 
 	if (pmu->cpu_aliases_added)
 		 nr += pmu->cpu_json_aliases;