remove invalid free() forgotten in r12300

Originally committed as revision 12303 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 0 insertions, 1 deletions

diff --git a/libavcodec/imgresample.c b/libavcodec/imgresample.c
index e2cc0c27c9..b5c57ffd94 100644
--- a/libavcodec/imgresample.c
+++ b/libavcodec/imgresample.c
@@ -557,7 +557,6 @@ void sws_freeContext(struct SwsContext *ctx)
     } else {
         av_free(ctx->resampling_ctx);
     }
-    av_free(ctx->av_class);
     av_free(ctx);
 }