Blind commit:

Blind commit:
Re: Untested patch: back-tcl used wrong types  (ITS#1719)

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Written by Hallvard B. Furuseth and placed into the public domain.
This software is not subject to any license of the University of Oslo.
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> I turned it into an automatic variable.

...and used a variable-length array.  That's a gcc extension, it is not
in ANSI C89.  (It is in C99 though.)  You seem to be compiling without
-pedantic:-)  Anyway, here is a patch to turn it back into ch_malloc(),
plus some README fixes