kernel: Public ksu_handle_sys_reboot

- clean code

kernel/ksu.h

@@ -43,6 +43,7 @@ struct manager_list_info {
 
 bool ksu_queue_work(struct work_struct *work);
 
+#if 0
 static inline int startswith(char *s, char *prefix)
 {
     return strncmp(s, prefix, strlen(prefix));
@@ -56,5 +57,6 @@ static inline int endswith(const char *s, const char *t)
         return 1;
     return strcmp(s + slen - tlen, t);
 }
+#endif
 
 #endif