* created prototype for cpu_switch_context_exit()

core/include/sched.h

@@ -26,6 +26,7 @@ void sched_run(void);
 
 void sched_set_status(tcb_t *process, unsigned int status);
 void sched_switch(uint16_t current_prio, uint16_t other_prio, int in_isr);
+void cpu_switch_context_exit(void);
 
 extern volatile unsigned int sched_context_switch_request;
 

core/kernel_init.c

@@ -38,7 +38,6 @@ volatile tcb_t *active_thread;
 volatile int lpm_prevent_sleep = 0;
 
 extern void main(void);
-extern void cpu_switch_context_exit(void);
 
 static void idle_thread(void) {
     while(1) {

core/sched.c

@@ -171,8 +171,6 @@ void sched_switch(uint16_t current_prio, uint16_t other_prio, int in_isr) {
     }
 }
 
-extern void cpu_switch_context_exit(void);
-
 void sched_task_exit(void) {
     DEBUG("sched_task_exit(): ending task %s...\n", active_thread->name);