Add header guard for importing symbols from C++ source

xiph / rnnoise

Recurrent neural network for audio noise reduction

BSD 3-Clause "New" or "Revised" License

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Closed kode54 closed 3 years ago

kode54 commented 3 years ago

As I just noticed the lack of extern "C" guard because someone I know was importing this into an Objective-C++ project.

petterreinholdtsen commented 3 years ago

This is the same as pull request #131. Closing as a duplicate.