libvpx: Add VP9 decoder.

source/libvpx/vpx_mem/memory_manager/hmm_true.c

Index: source/libvpx/vpx_mem/memory_manager/hmm_true.c
===================================================================
--- source/libvpx/vpx_mem/memory_manager/hmm_true.c	(revision 172621)
+++ source/libvpx/vpx_mem/memory_manager/hmm_true.c	(working copy)
@@ -15,18 +15,17 @@
 
 #include "hmm_intrnl.h"
 
-U(size_aau) U(true_size)(void *payload_ptr)
-{
-    register  head_record *head_ptr = PTR_REC_TO_HEAD(payload_ptr);
+U(size_aau) U(true_size)(void *payload_ptr) {
+  register  head_record *head_ptr = PTR_REC_TO_HEAD(payload_ptr);
 
 #ifdef HMM_AUDIT_FAIL
-    AUDIT_BLOCK(head_ptr)
+  AUDIT_BLOCK(head_ptr)
 #endif
 
-    /* Convert block size from BAUs to AAUs.  Subtract head size, leaving
-    ** payload size.
-    */
-    return(
-              (BLOCK_BAUS(head_ptr) * ((U(size_aau)) HMM_BLOCK_ALIGN_UNIT)) -
-              HEAD_AAUS);
+  /* Convert block size from BAUs to AAUs.  Subtract head size, leaving
+  ** payload size.
+  */
+  return(
+          (BLOCK_BAUS(head_ptr) * ((U(size_aau)) HMM_BLOCK_ALIGN_UNIT)) -
+          HEAD_AAUS);
 }