build-pspp: Use -I flag to newer gendocs.sh to copy HTML image files.
authorBen Pfaff <blp@cs.stanford.edu>
Fri, 11 Jan 2013 16:50:02 +0000 (08:50 -0800)
committerBen Pfaff <blp@cs.stanford.edu>
Fri, 11 Jan 2013 16:50:02 +0000 (08:50 -0800)
The image files were being omitted from the HTML version of the generated
manual.  Using -I with sufficiently newer gendocs.sh solves the problem.

Reported by John Darrington.


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