Include files from webrtc/.. paths in voice_engine/

BUG=1662
R=henrikg@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/1434005

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@4079 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/voice_engine/channel_manager.cc b/voice_engine/channel_manager.cc
index 770bde3..5adfcbe 100644
--- a/voice_engine/channel_manager.cc
+++ b/voice_engine/channel_manager.cc
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "channel.h"
-#include "channel_manager.h"
+#include "webrtc/voice_engine/channel.h"
+#include "webrtc/voice_engine/channel_manager.h"
 
 namespace webrtc
 {