Reformat existing code. There should be no functional effects.

webrtc/modules/audio_processing/aec/echo_cancellation.c

Index: webrtc/modules/audio_processing/aec/echo_cancellation.c
diff --git a/webrtc/modules/audio_processing/aec/echo_cancellation.c b/webrtc/modules/audio_processing/aec/echo_cancellation.c
index 06d081d3ce886af3fc86d9b55606eb8cc783b966..89e428001acc6b422c0370af7b0e46ac352d07c5 100644
--- a/webrtc/modules/audio_processing/aec/echo_cancellation.c
+++ b/webrtc/modules/audio_processing/aec/echo_cancellation.c
@@ -277,7 +277,7 @@ int32_t WebRtcAec_BufferFarend(void* aecInst,
                                const float* farend,
                                int16_t nrOfSamples) {
   Aec* aecpc = aecInst;
-  int newNrOfSamples = (int)nrOfSamples;
+  int newNrOfSamples = nrOfSamples;
   float new_farend[MAX_RESAMP_LEN];
   const float* farend_ptr = farend;