[1.7] Updated: libsigsegv{1}-2.6+-1

[Reini Urban]

I've promoted the experimental libsigsegv 2.6+-1 to current.
I need it for the upcoming clisp release, though I got no feedback yet
upstream if Eric' fixes will be eventually in the next release 2.7.

Eric Blake fixed the SEH chain corruption in libsigsegv for 2.6+.
The DLL revision is bumped from 0 to 1, so you can now change your
requires to libsigsegv1.
libsigsegv0 contains the old sources.

See http://cygwin.com/ml/cygwin/2009-07/msg00881.html for the problems fixed.

It's a small library for handling page faults in user mode.
A page fault occurs when a program tries to access to a region of memory
(heap or stack) that is currently not available.
It is mainly required for clisp for generational garbage collection,
m4 also uses for stack overflow protection.

Canonical homepage:
 http://libsigsegv.sourceforge.net/

Canonical download:
 git clone git://repo.or.cz/libsigsegv/ericb.git
 which is a branch of the official git://git.sv.gnu.org/libsigsegv.git

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--
Reini Urban