Check-dependencies bug fix

Forum member npierce is an extremely helpful guy! We have had a bug in the check-dependencies script for a long time -- ever since I wrote it. You will find this in the menu at "Setup -> Check dependencies installed pkgs", and the script is /usr/local/petget/check_deps.sh.

npierce has fixed it here (thanks to bigpup for drawing this to my attention):
http://www.murga-linux.com/puppy/viewtopic.php?t=75071

I have put the fixes into Woof. There are two, the problem of too many installed packages, and a bug if a package has a "_" in it's name.

npierce did identify a potential third bug but I did not apply the fix as it cannot be assumed that shared library files have their executable flag set.

Here is the Woof commit:
http://bkhome.org/fossil/woof2.cgi/info/bde8c7a2e5

Tags: woof