diff -r 65ed49cbc08b -r afc13760179b decoder-ogg.c
--- a/decoder-ogg.c	Fri Nov 13 19:27:36 2009 +0800
+++ b/decoder-ogg.c	Sun Dec 06 08:48:57 2009 +0800
@@ -162,7 +162,7 @@
     for(int i=0 ; i<vc->comments ; i++) {
       const char *cc=vc->user_comments[i];
       d(printf("ogg: comment%d='%s'\n",i,cc))
-      char *p=strchr(cc,'=');
+      const char *p=strchr(cc,'=');
       if(p) {
         const int len=p-cc;
         p++;