Patches NSIS (issue 5498107)

[k-ohara5a5a]

Overall, I think it wiser to avoid touching the windows path, *but* this
concept has been reported to resolve the problem.

http://nsis.sourceforge.net/Special_Builds
If you can run GUB, can you try putting the changed parameter on the
scons command line, rather than patching the default parameters.
Changes in the upstream nsis could easily cause the patch no not apply.


http://codereview.appspot.com/5498107/diff/1/gub/specs/nsis.py
File gub/specs/nsis.py (right):

http://codereview.appspot.com/5498107/diff/1/gub/specs/nsis.py#newcode14
gub/specs/nsis.py:14: scons_flags = misc.join_lines ('''
NSIS_MAX_STRLEN=8192

http://codereview.appspot.com/5498107/