Disable WebRtcSpl_ScaleAndAddVectorsWithRoundNeon due to crash.

The C (unoptimized) version of this function takes less than 1% of NetEq4 and
has been crashing since the NetEq3->4 move.

BUG=3243
R=henrik.lundin@webrtc.org, niklas.enbom@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/16399004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@6003 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/common_audio/signal_processing/spl_init.c b/common_audio/signal_processing/spl_init.c
index 454e13b..762f9e4 100644
--- a/common_audio/signal_processing/spl_init.c
+++ b/common_audio/signal_processing/spl_init.c
@@ -65,8 +65,10 @@
   WebRtcSpl_MinValueW32 = WebRtcSpl_MinValueW32Neon;
   WebRtcSpl_CrossCorrelation = WebRtcSpl_CrossCorrelationNeon;
   WebRtcSpl_DownsampleFast = WebRtcSpl_DownsampleFastNeon;
+  /* TODO(henrik.lundin): re-enable NEON when the crash from bug 3243 is
+     understood. */
   WebRtcSpl_ScaleAndAddVectorsWithRound =
-      WebRtcSpl_ScaleAndAddVectorsWithRoundNeon;
+      WebRtcSpl_ScaleAndAddVectorsWithRoundC;
   WebRtcSpl_CreateRealFFT = WebRtcSpl_CreateRealFFTNeon;
   WebRtcSpl_FreeRealFFT = WebRtcSpl_FreeRealFFTNeon;
   WebRtcSpl_RealForwardFFT = WebRtcSpl_RealForwardFFTNeon;