pthread: Fix compilation error on pthread_cond_wait
This patch fixes compilation error when CONFIG_CANCELLATION_POINTS and
CONFIG_PTHREAD_MUTEX_UNSAFE are enabled.
@@ -135,7 +135,7 @@ void pthread_mutex_inconsistent(FAR struct pthread_tcb_s *tcb);
#define pthread_mutex_give(m) pthread_givesemaphore(&(m)->sem)
#endif
-#if defined(CONFIG_CANCELLATION_POINTS)
+#if defined(CONFIG_CANCELLATION_POINTS) && !defined(CONFIG_PTHREAD_MUTEX_UNSAFE)
uint16_t pthread_disable_cancel(void);
void pthread_enable_cancel(uint16_t oldstate);
#else
