Refactoring common_audio: Remove macro WEBRTC_SPL_MEMMOVE_W16

Yet another macro that utilizes a function directly.

BUG=3348,3353
TESTED=locally on linux and trybots
R=kwiberg@webrtc.org, turaj@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/18159004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6935 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/modules/audio_coding/codecs/ilbc/encode.c b/webrtc/modules/audio_coding/codecs/ilbc/encode.c
index 2f899a5..318c27a 100644
--- a/webrtc/modules/audio_coding/codecs/ilbc/encode.c
+++ b/webrtc/modules/audio_coding/codecs/ilbc/encode.c
@@ -16,6 +16,8 @@
 
 ******************************************************************/
 
+#include <string.h>
+
 #include "defines.h"
 #include "lpc_encode.h"
 #include "frame_classify.h"
@@ -352,7 +354,7 @@
 
       /* update memory */
 
-      WEBRTC_SPL_MEMMOVE_W16(mem, mem+SUBL, (CB_MEML-SUBL));
+      memmove(mem, mem + SUBL, (CB_MEML - SUBL) * sizeof(*mem));
       WEBRTC_SPL_MEMCPY_W16(mem+CB_MEML-SUBL,
                             &decresidual[(iLBCbits_inst->startIdx+1+subframe)*SUBL], SUBL);
 
@@ -457,8 +459,7 @@
                                 );
 
       /* update memory */
-
-      WEBRTC_SPL_MEMMOVE_W16(mem, mem+SUBL, (CB_MEML-SUBL));
+      memmove(mem, mem + SUBL, (CB_MEML - SUBL) * sizeof(*mem));
       WEBRTC_SPL_MEMCPY_W16(mem+CB_MEML-SUBL,
                             &reverseDecresidual[subframe*SUBL], SUBL);