AudioLayer::putUrgent() : remove unused return value

sflphone-common/src/audio/audiolayer.cpp

@@ -48,11 +48,11 @@ void AudioLayer::flushUrgent (void)
 }
 
 
-int AudioLayer::putUrgent (void* buffer, int toCopy)
+void AudioLayer::putUrgent (void* buffer, int toCopy)
 {
     ost::MutexLock guard (_mutex);
 
-    return _urgentRingBuffer.Put (buffer, toCopy);
+    _urgentRingBuffer.Put (buffer, toCopy);
 }
 
 int AudioLayer::putMain (void *buffer, int toCopy, std::string call_id)

sflphone-common/src/audio/audiolayer.h

@@ -134,9 +134,8 @@ class AudioLayer
          * Copy data in the urgent buffer.
          * @param buffer The buffer containing the data to be played ( ringtones )
          * @param toCopy The size of the buffer
-         * @return int  The number of bytes copied in the urgent buffer
          */
-        int putUrgent (void* buffer, int toCopy);
+        void putUrgent (void* buffer, int toCopy);
 
         /**
          * Put voice data in the main sound buffer