fixed the coding style in idle.c

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2503 bbd45198-f89e-11dd-88c7-29a3b14d5316

src/idle.c

@@ -78,7 +78,9 @@ void rt_thread_idle_excute(void)
         if (!rt_list_isempty(&rt_thread_defunct))
         {
             /* get defunct thread */
-			thread = rt_list_entry(rt_thread_defunct.next, struct rt_thread, tlist);
+            thread = rt_list_entry(rt_thread_defunct.next,
+                                   struct rt_thread,
+                                   tlist);
 #ifdef RT_USING_MODULE
             /* get thread's parent module */
             module = (rt_module_t)thread->module_id;
@@ -101,6 +103,7 @@ void rt_thread_idle_excute(void)
             {
                 /* enable interrupt */
                 rt_hw_interrupt_enable(lock);
+
                 return;
             }
         }
@@ -136,7 +139,7 @@ void rt_thread_idle_excute(void)
 
             /* if sub thread list and main thread are all empty */
             if ((module->module_thread == RT_NULL) &&
-				rt_list_isempty(&module->module_object[RT_Object_Class_Thread].object_list) )
+                rt_list_isempty(&module->module_object[RT_Object_Class_Thread].object_list))
             {
                 module->nref --;
             }
@@ -174,9 +177,12 @@ void rt_thread_idle_init(void)
     /* initialize thread */
     rt_thread_init(&idle,
                    "tidle",
-		rt_thread_idle_entry, RT_NULL,
-		&rt_thread_stack[0], sizeof(rt_thread_stack),
-		RT_THREAD_PRIORITY_MAX - 1, 32);
+                   rt_thread_idle_entry,
+                   RT_NULL,
+                   &rt_thread_stack[0],
+                   sizeof(rt_thread_stack),
+                   RT_THREAD_PRIORITY_MAX - 1,
+                   32);
 
     /* startup */
     rt_thread_startup(&idle);