Compilation fixes

radio/src/targets/taranis/diskio.cpp

@@ -62,24 +62,24 @@
 #if !defined(BOOT)
 static RTOS_MUTEX_HANDLE ioMutex;
 
-int ff_cre_syncobj (BYTE vol, _SYNC_t *mutex)
+int ff_cre_syncobj (BYTE vol, FF_SYNC_t *mutex)
 {
   *mutex = ioMutex;
   return 1;
 }
 
-int ff_req_grant (_SYNC_t mutex)
+int ff_req_grant (FF_SYNC_t mutex)
 {
   RTOS_LOCK_MUTEX(mutex);
   return 1;
 }
 
-void ff_rel_grant (_SYNC_t mutex)
+void ff_rel_grant (FF_SYNC_t mutex)
 {
   RTOS_UNLOCK_MUTEX(mutex);
 }
 
-int ff_del_syncobj (_SYNC_t mutex)
+int ff_del_syncobj (FF_SYNC_t mutex)
 {
   return 1;
 }