One of the NetEq methods needs to be virtual.

BUG=
R=andrew@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/20449004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@6099 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/modules/audio_coding/neteq4/neteq_impl.h b/modules/audio_coding/neteq4/neteq_impl.h
index 5801d97..b8139ac 100644
--- a/modules/audio_coding/neteq4/neteq_impl.h
+++ b/modules/audio_coding/neteq4/neteq_impl.h
@@ -334,7 +334,7 @@
       EXCLUSIVE_LOCKS_REQUIRED(crit_sect_);
 
   // Creates DecisionLogic object for the given mode.
-  void CreateDecisionLogic(NetEqPlayoutMode mode)
+  virtual void CreateDecisionLogic(NetEqPlayoutMode mode)
       EXCLUSIVE_LOCKS_REQUIRED(crit_sect_);
 
   const scoped_ptr<BufferLevelFilter> buffer_level_filter_;