Bug in MC (segmentation fault)

[ufo at ufo-vl.net]

Hello.
I have found bug in GNU Midnight Commander.
Step for reproduce:

1. Run "xterm" or "konsole".
2. In opened dialog run "mc".
3. Change path to any directory contains many sub-dirs of files at 1st level.
4. Select some first files or dirs.
5. Press End and select some last files or dirs.
6. Press F5
7. Press Tab.
8. Maximize window "xterm" or "konsole"
Actual result: Segmentation Fault.
Distrib: Slackware 12.1
MC version 4.6.1