start with fdata->num = -1, so we don't have an uninitialised value while doing read_filter style dissection

svn path=/trunk/; revision=15732

1 files changed, 1 insertions, 0 deletions

diff --git a/file.c b/file.c
index 7b328b4b57..8b6619b97c 100644
--- a/file.c
+++ b/file.c
@@ -875,6 +875,7 @@ read_packet(capture_file *cf, long offset)
   /* Allocate the next list entry, and add it to the list. */
   fdata = g_mem_chunk_alloc(cf->plist_chunk);
 
+  fdata->num = -1;
   fdata->next = NULL;
   fdata->prev = NULL;
   fdata->pfd  = NULL;