Change some URLs from author dirs to dist dirs.
The example in the porter's handbook didn't have the trailing slash;
mea culpa for not having caught that when it went in.
algorithm presented in "Fast Hashing of Variable Length Text Strings"
- ACM 1990. This hashing technique yields good distribution of hashed results
for variable length input strings on the range 0-255, and thus, it is well
suited for data load balancing.
If you prefer a fast implementation, you might want to
consider Digest::Pearson instead.
WWW: http://search.cpan.org/dist/Digest-Pearson-PurePerl
PR: ports/90770
Submitted by: Gabor Kovesdan
