ffmpeg_modify_aacoder.patch

--- a/ffmpeg/libavcodec/aaccoder.c 
+++ b/ffmpeg/libavcodec/aaccoder.c 
@@ -58,12 +58,13 @@
 
 /* Parameter of f(x) = a*(100/lambda), defines how much PNS is allowed to
  * replace low energy non zero bands */
 #define NOISE_LAMBDA_REPLACE 1.948f
 
 #include "libavcodec/aaccoder_trellis.h"
+#undef B0
 
 /**
  * structure used in optimal codebook search
  */
 typedef struct BandCodingPath {
     int prev_idx; ///< pointer to the previous path point