Merge pull request #154 from mikelei8291/fix-deprecated

Remove the call to the deprecated method `avcodec_close`

Author: hzeller

src/video-source.cc

@@ -111,7 +111,6 @@ VideoSource::VideoSource(const std::string &filename) : ImageSource(filename) {
 
 VideoSource::~VideoSource() {
     sws_freeContext(sws_context_);
-    avcodec_close(codec_context_);
     avcodec_free_context(&codec_context_);
     avformat_close_input(&format_context_);
     delete terminal_fb_;