K 10
svn:author
V 5
dougb
K 8
svn:date
V 27
2010-04-28T18:55:46.316642Z
K 7
svn:log
V 224
Add error-checking to parse_index() so that if we don't find a line for
the port we return an error code.

Check for the error in the callers.

Inspiration and some code from the PR.

PR:		ports/145984
Submitted by:	mandree

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