[Bug 95181] konqueror: crash with bookmarks tab context menus

[yamal]

Public bug reported:

Binary package hint: konqueror

Konqueror web browser crashes when a context menu in the bookmarks tab
is made to appear while it's already visible elsewhere in the tree.

To reproduce: 
- Open konqueror web browser, navigate to 'bookmarks' tab
- make sure it contains at least one sub-folder with at least one bookmark in it. Create if necessary.
- Right-click on the bookmark in the sub-folder; a context menu appears.
- Now move the mouse pointer back over the sub-folder in such a manner that the context menu on the bookmark stays open
- Right-click on the sub-folder while the previous context is still open

Expected result: The sub-folder's context menu shows up (and the
previously opened one on the bookmark disappears)

Actual result: konqueror crashes. Backtrace from kde's crash handler
attached.

konqueror/kde 3.5.6 (packages from kubuntu.org) on edgy

** Affects: kdebase (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

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konqueror: crash with bookmarks tab context menus
https://launchpad.net/bugs/95181