| Index: webrtc/voice_engine/dtmf_inband.h
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| diff --git a/webrtc/voice_engine/dtmf_inband.h b/webrtc/voice_engine/dtmf_inband.h
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| index c2e2b2bcc804163e52106174b35a972178bcd796..6000d99214c96d878a3d001076cb76a9cf2ed350 100644
 | 
| --- a/webrtc/voice_engine/dtmf_inband.h
 | 
| +++ b/webrtc/voice_engine/dtmf_inband.h
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| @@ -67,7 +67,7 @@ private:
 | 
|                                     int16_t length);
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|  
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|  private:
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| -    mutable rtc::CriticalSection _critSect;
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| +    rtc::CriticalSection _critSect;
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|      int32_t _id;
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|      uint16_t _outputFrequencyHz;  // {8000, 16000, 32000}
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|      int16_t _oldOutputLow[2];     // Data needed for oscillator model
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| 
 |