Hobbit patch for highlighting of lines (used in blue theme)

Here is my suggested patch for 4.2.0 of hobbit to allow for highlighting of
lines when mouse-over.  This is a fairly simple change to 1 file
(pagegen.c).

I stored a copy of the patch here:
   http://www.uunc.net/hobbitmon/hobbit-4.2.0-pagegen.c.patch

This patch is utilized by the Blue Themed hobbit:
   http://www.uunc.net/hobbitmon/blue-theme.tar.gz

I will post updates to these files and others at:
   http://www.uunc.net/hobbitmon

Robert