[clang-tidy] add [[nodiscard]]

Found with modernize-use-nodiscard Signed-off-by: Rosen Penev <rosenp@gmail.com>

[clang-tidy] add [[nodiscard]]
cade4e71 · Rosen Penev · Max Kellermann · 403612c6 · cade4e71
Commit cade4e71 authored Mar 17, 2020 by Rosen Penev Committed by Max Kellermann Mar 19, 2020
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ShineEncoderPlugin.cxx src/encoder/plugins/ShineEncoderPlugin.cxx +1 -1

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--- a/src/encoder/plugins/ShineEncoderPlugin.cxx
+++ b/src/encoder/plugins/ShineEncoderPlugin.cxx
@@ -91,7 +91,7 @@ public:
 	/* virtual methods from class PreparedEncoder */
 	Encoder *Open(AudioFormat &audio_format) override;

-	const char *GetMimeType() const noexcept override {
+	[[nodiscard]] const char *GetMimeType() const noexcept override {
 		return  "audio/mpeg";
 	}
 };