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-rw-r--r--plugins/WinterSpeak/src/SpeechInterface.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/plugins/WinterSpeak/src/SpeechInterface.h b/plugins/WinterSpeak/src/SpeechInterface.h
index eec7eae4f0..78e51a0f75 100644
--- a/plugins/WinterSpeak/src/SpeechInterface.h
+++ b/plugins/WinterSpeak/src/SpeechInterface.h
@@ -15,7 +15,7 @@ class SpeechInterface
// Parameters : engine - the name of the engine to create
// Returns : an instance of the text to speech engine
//--------------------------------------------------------------------------
- TextToSpeech * createTts(std::wstring &engine) const;
+ TextToSpeech * createTts(const std::wstring &engine) const;
//--------------------------------------------------------------------------
// Description : configure the tts object