[CPUFREQ] cpufreq_sysctl_table should be static even though it'll be gone soon.

Signed-off-by: Dominik Brodowski <linux@brodo.de>
Signed-off-by: Dave Jones <davej@redhat.com>

drivers/cpufreq/cpufreq_userspace.c

@@ -460,7 +460,7 @@ static ctl_table ctl_cpu[2] = {
 	}
 };
 
-struct ctl_table_header *cpufreq_sysctl_table;
+static struct ctl_table_header *cpufreq_sysctl_table;
 
 static inline void cpufreq_sysctl_init(void)
 {