sched/cpuload: move g_cpuload_wdog to private chapter

coding style

Signed-off-by: chao an <[email protected]>

Author: anchao

sched/sched/sched_cpuload.c

@@ -86,6 +86,14 @@
 
 volatile clock_t g_cpuload_total;
 
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+#ifdef CONFIG_SCHED_CPULOAD_SYSCLK
+static struct wdog_s g_cpuload_wdog;
+#endif
+
 /****************************************************************************
  * Private Functions
  ****************************************************************************/
@@ -279,7 +287,6 @@ int clock_cpuload(int pid, FAR struct cpuload_s *cpuload)
 #ifdef CONFIG_SCHED_CPULOAD_SYSCLK
 void cpuload_init(void)
 {
-  static struct wdog_s g_cpuload_wdog;
   wd_start(&g_cpuload_wdog, CPULOAD_SAMPLING_PERIOD, cpuload_callback,
            (wdparm_t)&g_cpuload_wdog);
 }