WebRtc_Word32 -> int32_t in common_audio/

BUG=314

Review URL: https://webrtc-codereview.appspot.com/1299004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@3803 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/common_audio/signal_processing/randomization_functions.c b/webrtc/common_audio/signal_processing/randomization_functions.c
index 04271ad..88a37fa 100644
--- a/webrtc/common_audio/signal_processing/randomization_functions.c
+++ b/webrtc/common_audio/signal_processing/randomization_functions.c
@@ -22,7 +22,7 @@
 
 #include "signal_processing_library.h"
 
-static const WebRtc_Word16 kRandNTable[] = {
+static const int16_t kRandNTable[] = {
     9178,    -7260,       40,    10189,     4894,    -3531,   -13779,    14764,
    -4008,    -8884,    -8990,     1008,     7368,     5184,     3251,    -5817,
    -9786,     5963,     1770,     8066,    -7135,    10772,    -2298,     1361,
@@ -89,26 +89,26 @@
     2374,    -5797,    11839,     8940,   -11874,    18213,     2855,    10492
 };
 
-WebRtc_UWord32 WebRtcSpl_IncreaseSeed(WebRtc_UWord32 *seed)
+uint32_t WebRtcSpl_IncreaseSeed(uint32_t *seed)
 {
-    seed[0] = (seed[0] * ((WebRtc_Word32)69069) + 1) & (WEBRTC_SPL_MAX_SEED_USED - 1);
+    seed[0] = (seed[0] * ((int32_t)69069) + 1) & (WEBRTC_SPL_MAX_SEED_USED - 1);
     return seed[0];
 }
 
-WebRtc_Word16 WebRtcSpl_RandU(WebRtc_UWord32 *seed)
+int16_t WebRtcSpl_RandU(uint32_t *seed)
 {
-    return (WebRtc_Word16)(WebRtcSpl_IncreaseSeed(seed) >> 16);
+    return (int16_t)(WebRtcSpl_IncreaseSeed(seed) >> 16);
 }
 
-WebRtc_Word16 WebRtcSpl_RandN(WebRtc_UWord32 *seed)
+int16_t WebRtcSpl_RandN(uint32_t *seed)
 {
     return kRandNTable[WebRtcSpl_IncreaseSeed(seed) >> 23];
 }
 
 // Creates an array of uniformly distributed variables
-WebRtc_Word16 WebRtcSpl_RandUArray(WebRtc_Word16* vector,
-                                   WebRtc_Word16 vector_length,
-                                   WebRtc_UWord32* seed)
+int16_t WebRtcSpl_RandUArray(int16_t* vector,
+                             int16_t vector_length,
+                             uint32_t* seed)
 {
     int i;
     for (i = 0; i < vector_length; i++)