Revert: Free cf->edt before free cf->epan when redissecting.

Instead of freeing cf->edt before clearing the packet list, add an extra
check to MainWindow::setMenusForSelectedTreeRow. Semi-blind attempt at
fixing bug 11719.

This reverts commit 8c211d51ef66b64c708f7ad079e7e7e913ac9f14.
This reverts commit da71ccbf778cca5d9c48e010597570a40fd190c0.

Bug: 11719
Change-Id: Ifd07be414ffd03a40bdfa7110395c9542bd86fc4
Reviewed-on: https://code.wireshark.org/review/11943
Petri-Dish: Gerald Combs <gerald@wireshark.org>
Reviewed-by: Gerald Combs <gerald@wireshark.org>

1 files changed, 0 insertions, 4 deletions

diff --git a/file.c b/file.c
index 0b546c91f7..b83bd27138 100644
--- a/file.c
+++ b/file.c
@@ -1623,10 +1623,6 @@ rescan_packets(capture_file *cf, const char *action, const char *action_item, gb
     cf->redissecting = TRUE;
 
     /* 'reset' dissection session */
-    if (cf->edt) {
-      epan_dissect_free(cf->edt);
-      cf->edt = NULL;
-    }
     epan_free(cf->epan);
     cf->epan = ws_epan_new(cf);
     cf->cinfo.epan = cf->epan;