Android: cpufreq_stats: Fix uninitialized variable

Change-Id: I6772b3d1b185633990f035171393360b8b147ed9

drivers/cpufreq/cpufreq_stats.c

@@ -830,7 +830,7 @@ static void cpufreq_allstats_create(unsigned int cpu,
 static int cpufreq_stat_notifier_policy(struct notifier_block *nb,
 		unsigned long val, void *data)
 {
-	int ret, count = 0, i;
+	int ret = 0, count = 0, i;
 	struct cpufreq_policy *policy = data;
 	struct cpufreq_frequency_table *table;
 	unsigned int cpu = policy->cpu;