Update a ton of audio code to use size_t more correctly and in general reduce

webrtc/modules/audio_coding/codecs/ilbc/energy_inverse.c

Index: webrtc/modules/audio_coding/codecs/ilbc/energy_inverse.c
diff --git a/webrtc/modules/audio_coding/codecs/ilbc/energy_inverse.c b/webrtc/modules/audio_coding/codecs/ilbc/energy_inverse.c
index a6b1c758f9ef4a471f20c600b2d5f185564f9b24..b2bdcfffc3fce7ddafcfc391b320c76b750c2432 100644
--- a/webrtc/modules/audio_coding/codecs/ilbc/energy_inverse.c
+++ b/webrtc/modules/audio_coding/codecs/ilbc/energy_inverse.c
@@ -23,12 +23,12 @@
 void WebRtcIlbcfix_EnergyInverse(
     int16_t *energy,    /* (i/o) Energy and inverse
                                                            energy (in Q29) */
-    int noOfEnergies)  /* (i)   The length of the energy
+    size_t noOfEnergies)  /* (i)   The length of the energy
                                    vector */
 {
   int32_t Nom=(int32_t)0x1FFFFFFF;
   int16_t *energyPtr;
-  int i;
+  size_t i;
 
   /* Set the minimum energy value to 16384 to avoid overflow */
   energyPtr=energy;