Unbreak NDEBUG compile by RTC_UNUSED()ing an assert()d variable.

TBR=wu@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/19659004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@6357 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/modules/video_capture/android/video_capture_android.cc b/modules/video_capture/android/video_capture_android.cc
index 2ecac2e..c9aa52c 100644
--- a/modules/video_capture/android/video_capture_android.cc
+++ b/modules/video_capture/android/video_capture_android.cc
@@ -10,6 +10,7 @@
 
 #include "webrtc/modules/video_capture/android/video_capture_android.h"
 
+#include "webrtc/base/common.h"
 #include "webrtc/modules/utility/interface/helpers_android.h"
 #include "webrtc/modules/video_capture/android/device_info_android.h"
 #include "webrtc/system_wrappers/interface/critical_section_wrapper.h"
@@ -61,6 +62,7 @@
       kCameraRotate0;  // Impossible.
   int32_t status =
       captureModule->VideoCaptureImpl::SetCaptureRotation(rotation);
+  RTC_UNUSED(status);
   assert(status == 0);
 }