Update audio code to use size_t more correctly,

webrtc/common_audio/signal_processing/get_scaling_square.c

Index: webrtc/common_audio/signal_processing/get_scaling_square.c
diff --git a/webrtc/common_audio/signal_processing/get_scaling_square.c b/webrtc/common_audio/signal_processing/get_scaling_square.c
index 3b9171d4143f8abfe52b87e6ee590233c4914316..82e3c8b09c3da79389bdced09d826cc6df527a9c 100644
--- a/webrtc/common_audio/signal_processing/get_scaling_square.c
+++ b/webrtc/common_audio/signal_processing/get_scaling_square.c
@@ -18,16 +18,16 @@
 #include "webrtc/common_audio/signal_processing/include/signal_processing_library.h"
 
 int16_t WebRtcSpl_GetScalingSquare(int16_t* in_vector,
-                                   int in_vector_length,
-                                   int times)
+                                   size_t in_vector_length,
+                                   size_t times)
 {
     int16_t nbits = WebRtcSpl_GetSizeInBits((uint32_t)times);
-    int i;
+    size_t i;
     int16_t smax = -1;
     int16_t sabs;
     int16_t *sptr = in_vector;
     int16_t t;
-    int looptimes = in_vector_length;
+    size_t looptimes = in_vector_length;
 
     for (i = looptimes; i > 0; i--)
     {