Ticket #2964: mouse doesn't select text in subshell in native console.

Steps to Reproduce:

1. Run mc in native console (not in X terminal emulator).
2. Press Ctrl+O to switch to subshell.
3. Try select anything with mouse.
Result: mouse does't select anything.

This bug was introduced in 68468a25acea04c44320d0a75226a051d7c2b64a
commit.

Solution: make mouse initialization after initializaton of subshell.

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
Merge branch '2964_mouse_in_subshell'

* 2964_mouse_in_subshell:
  Ticket #2964: mouse doesn't select text in subshell in native console.