Remove const for plain data types in voice_engine/

BUG=1644
R=henrikg@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/1463004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@4018 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/voice_engine/voice_engine_defines.h b/voice_engine/voice_engine_defines.h
index 18600e1..cb63940 100644
--- a/voice_engine/voice_engine_defines.h
+++ b/voice_engine/voice_engine_defines.h
@@ -197,7 +197,7 @@
 namespace webrtc
 {
 
-inline int VoEId(const int veId, const int chId)
+inline int VoEId(int veId, int chId)
 {
     if (chId == -1)
     {
@@ -207,13 +207,13 @@
     return (int) ((veId << 16) + chId);
 }
 
-inline int VoEModuleId(const int veId, const int chId)
+inline int VoEModuleId(int veId, int chId)
 {
     return (int) ((veId << 16) + chId);
 }
 
 // Convert module ID to internal VoE channel ID
-inline int VoEChannelId(const int moduleId)
+inline int VoEChannelId(int moduleId)
 {
     return (int) (moduleId & 0xffff);
 }