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-rw-r--r--utils/rbutilqt/base/ttscarbon.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/utils/rbutilqt/base/ttscarbon.h b/utils/rbutilqt/base/ttscarbon.h
index 2e9e84aa7d..80235b8b12 100644
--- a/utils/rbutilqt/base/ttscarbon.h
+++ b/utils/rbutilqt/base/ttscarbon.h
@@ -39,7 +39,7 @@ class TTSCarbon : public TTSBase
TTSCarbon(QObject *parent = NULL);
//! Child class should generate a clip
- TTSStatus voice(QString text, QString wavfile, QString* errStr);
+ TTSStatus voice(const QString& text, const QString& wavfile, QString* errStr);
//! Child class should do startup
bool start(QString *errStr);
//! child class should stop