examples/CMakeLists.txt: restrict required libraries for avformat_open_input()
authorAntonio Ospite <ao2@ao2.it>
Mon, 26 Feb 2018 14:39:12 +0000 (15:39 +0100)
committerAntonio Ospite <ao2@ao2.it>
Tue, 27 Feb 2018 16:19:00 +0000 (17:19 +0100)
When checking if avformat_open_input() exists, link only with
FFMPEG_LIBAVFORMAT_LIBRARIES, this is more essential and also more
symmetric from a readability point of view.


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