Bug 498853 - libvorbis update - r=xiphmont

media/libvorbis/README_MOZILLA

@@ -14,3 +14,4 @@ bug481601.patch is appled to fix bug 481601.
 bug487519.patch: fix for bug 487519.
 bug498827.patch: fix for bug 498827
 bug498855.patch: fix for bug 498855
+bug498853.patch: fix for bug 498853

media/libvorbis/bug498853.patch

@@ -0,0 +1,31 @@
+diff --git a/media/libvorbis/lib/vorbis_info.c b/media/libvorbis/lib/vorbis_info.c
+index 1d50526..1356cb4 100644
+--- a/media/libvorbis/lib/vorbis_info.c
++++ b/media/libvorbis/lib/vorbis_info.c
+@@ -126,20 +126,22 @@ int vorbis_comment_query_count(vorbis_comment *vc, char *tag){
+   }
+ 
+   return count;
+ }
+ 
+ void vorbis_comment_clear(vorbis_comment *vc){
+   if(vc){
+     long i;
+-    for(i=0;i<vc->comments;i++)
+-      if(vc->user_comments[i])_ogg_free(vc->user_comments[i]);
+-    if(vc->user_comments)_ogg_free(vc->user_comments);
+-	if(vc->comment_lengths)_ogg_free(vc->comment_lengths);
++    if (vc->user_comments) {
++      for(i=0;i<vc->comments;i++)
++	if(vc->user_comments[i])_ogg_free(vc->user_comments[i]);
++      _ogg_free(vc->user_comments);
++    }
++    if(vc->comment_lengths)_ogg_free(vc->comment_lengths);
+     if(vc->vendor)_ogg_free(vc->vendor);
+     memset(vc,0,sizeof(*vc));
+   }
+ }
+ 
+ /* blocksize 0 is guaranteed to be short, 1 is guaranteed to be long.
+    They may be equal, but short will never ge greater than long */
+ int vorbis_info_blocksize(vorbis_info *vi,int zo){

media/libvorbis/lib/vorbis_info.c

@@ -131,9 +131,11 @@ int vorbis_comment_query_count(vorbis_comment *vc, char *tag){
 void vorbis_comment_clear(vorbis_comment *vc){
   if(vc){
     long i;
+    if (vc->user_comments) {
       for(i=0;i<vc->comments;i++)
 	if(vc->user_comments[i])_ogg_free(vc->user_comments[i]);
-    if(vc->user_comments)_ogg_free(vc->user_comments);
+      _ogg_free(vc->user_comments);
+    }
     if(vc->comment_lengths)_ogg_free(vc->comment_lengths);
     if(vc->vendor)_ogg_free(vc->vendor);
     memset(vc,0,sizeof(*vc));

media/libvorbis/update.sh

@@ -51,3 +51,4 @@ patch -p3 <./bug481601.patch
 patch -p3 <bug487519.patch
 patch -p3 <bug498827.patch
 patch -p3 <bug498855.patch
+patch -p3 <bug498853.patch