community/ncmpcpp: fix build with GCC 10
Pulled from upstream. Fix will be included in upcoming release 0.9 - https://github.com/ncmpcpp/ncmpcpp/commit/d1fe67b0314759f39560031d93c337ae997e8504
Pulled from upstream. Fix will be included in upcoming release 0.9 - https://github.com/ncmpcpp/ncmpcpp/commit/d1fe67b0314759f39560031d93c337ae997e8504