constify first arg of FLAC__metadata_object_vorbiscomment_find_entry_from()
diff --git a/src/libFLAC/metadata_object.c b/src/libFLAC/metadata_object.c
index f086f38..6cb9db3 100644
--- a/src/libFLAC/metadata_object.c
+++ b/src/libFLAC/metadata_object.c
@@ -777,7 +777,7 @@
 #undef FLAC__STRNCASECMP
 }
 
-FLAC_API int FLAC__metadata_object_vorbiscomment_find_entry_from(FLAC__StreamMetadata *object, unsigned offset, const char *field_name)
+FLAC_API int FLAC__metadata_object_vorbiscomment_find_entry_from(const FLAC__StreamMetadata *object, unsigned offset, const char *field_name)
 {
 	const unsigned field_name_length = strlen(field_name);
 	unsigned i;