gEDA-dev: Added attribute names to system-gschemrc.in

[DJ Delorie]

> And since I'm the cause of all this pain, I'm willing to put up.
> Please send me the script (via private e-mail) and I'll fix it up to
> use author= (and keep backwards compatibility with email=) and send
> you patches.

All the files are in the gedasymbols cvs, you can just check them out.
http://www.gedasymbols.org/cvs.html

In this case, it's scripts/symbol.cgi