mc crash fix when '\n' is in the directory name

[Jindrich Novy]

Hello,

the following "uglydir" patch prevents mc from hang when it displays
directory with newline '\n' character in the name. As far as I have
tested, mc hangs in this case only in non-UTF-8 mode. The original patch
by Karel Zak. I adapted it for the recent mc CVS version and let it
correct the name only in non-UTF-8 case, otherwise it replaces UTF-8
characters by '?'.

For bug reproduction and testing please see bug #127164.

Jindrich

-- 
Jindrich Novy <jnovy at redhat.com>, http://people.redhat.com/jnovy/
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