Also fake empty field_info's by gracefully handling NULL field_info pointer elsewhere.

svn path=/trunk/; revision=29490

1 files changed, 2 insertions, 0 deletions

diff --git a/file.c b/file.c
index ddee0925f7..39ae7bf102 100644
--- a/file.c
+++ b/file.c
@@ -2994,6 +2994,8 @@ match_subtree_text(proto_node *node, gpointer data)
   guint8	c_char;
   size_t	c_match = 0;
 
+  g_assert(fi && "dissection with an invisible proto tree?");
+
   if (mdata->frame_matched) {
     /* We already had a match; don't bother doing any more work. */
     return;