Seungha Yang 4fc3aa6ef4 hls: Check nettle version to ensure AES128 support
AES128 support was added since nettle version 3.0

../subprojects/gst-plugins-bad/ext/hls/gsthlsdemux.h:110:10: error: field ‘ctx’ has incomplete type
   struct CBC_CTX (struct aes128_ctx, AES_BLOCK_SIZE) aes_ctx;
2020-01-10 16:03:48 +09:00
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