lavc: use the correct API version guard macro for avcodec_encode_audio()

diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 5e22b9f..10230ca 100644 (file)
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -1073,7 +1073,7 @@ end:
     return ret;
 }
 
-#if FF_API_OLD_DECODE_AUDIO
+#if FF_API_OLD_ENCODE_AUDIO
 int attribute_align_arg avcodec_encode_audio(AVCodecContext *avctx,
                                              uint8_t *buf, int buf_size,
                                              const short *samples)