Access violation in Search result view (search in files)

Original Reporter info from Mantis: Martin @martin_frb

• Reporter name: Martin Friebe

Description:

Open search in files.
Enter "(a" / Unmatched bracket for regex
Set to search for reg-ex
Search

An error about the "unmatched (" will be shown. Click OK

The search result window, will have an empty tab for the failed search.
Close that tab (middle mouse, or small red x (not the window, the tab).

    Access violation
        Stack trace:
        $000000010010B971 line 627 of laz_avl_tree.pp
        $000000010010B92A line 635 of laz_avl_tree.pp
        $00000001007EA500 line 1470 of searchresultview.pp
        $00000001007E9AF0 line 1352 of searchresultview.pp
        $00000001000D1C5D
        $00000001000D1BB2
        $00000001002BC706 line 134 of lclclasses.pp
        $0000000100215961 line 5137 of include/control.inc
        $00000001001FE3C3 line 6662 of include/wincontrol.inc
        $000000010025E4DD line 64 of include/tabsheet.inc
        $0000000100010810
        $00000001007E737C line 793 of searchresultview.pp
        $00000001007E7CC8 line 939 of searchresultview.pp
        $00000001007E5FA8 line 451 of searchresultview.pp
        $0000000100213700 line 4459 of include/control.inc
        $000000010020BC42 line 2280 of include/control.inc
        $000000010020C71C line 2498 of include/control.inc

Mantis conversion info:

• Mantis ID: 37124
• OS: win 10
• OS Build: 10
• Platform: 64bit Intel
• Version: 2.1 (SVN)
• Fixed in revision: r63281 (#e74792c8)