Bug 1236937 - Use correct value for Pi in AAFilter.cpp. r=padenot

--HG--
extra : commitid : 4VN9ybE7dd3

media/libsoundtouch/moz-libsoundtouch.patch

@@ -117,4 +117,25 @@ diff -u /src/TDStretch.cpp /src/TDStretch.cpp
  
      // Check if MMX/SSE instruction set extensions supported by CPU
  
-diff -u /src/SoundTouch.cpp /src/SoundTouch.cpp
+diff --git a/media/libsoundtouch/src/AAFilter.cpp b/media/libsoundtouch/src/AAFilter.cpp
+--- a/media/libsoundtouch/src/AAFilter.cpp
++++ b/media/libsoundtouch/src/AAFilter.cpp
+@@ -44,17 +44,17 @@
+ #include <assert.h>
+ #include <math.h>
+ #include <stdlib.h>
+ #include "AAFilter.h"
+ #include "FIRFilter.h"
+ 
+ using namespace soundtouch;
+ 
+-#define PI        3.141592655357989
++#define PI       M_PI
+ #define TWOPI    (2 * PI)
+ 
+ // define this to save AA filter coefficients to a file
+ // #define _DEBUG_SAVE_AAFILTER_COEFFICIENTS   1
+ 
+ #ifdef _DEBUG_SAVE_AAFILTER_COEFFICIENTS
+     #include <stdio.h>
+ 

media/libsoundtouch/src/AAFilter.cpp

@@ -49,7 +49,7 @@
 
 using namespace soundtouch;
 
-#define PI        3.141592655357989
+#define PI       M_PI
 #define TWOPI    (2 * PI)
 
 // define this to save AA filter coefficients to a file