Comedilib comedilib.pc.in and setup.rb patches merged upstream.

Comedilib comedilib.pc.in and setup.rb patches merged upstream.

$ cvs log comedilib.pc.in
...
revision 1.2
date: 2010-12-14 09:41:55 -0500;
author: abbotti;
state: Exp;
lines: +1 -1;
commitid: JoFyUjr1kr0t6g0v;

Add -lm to comedilib.pc.in Libs.
Patch from W. Trevor King.
...

$ cvs log swig/ruby/setup.rb
...
revision 1.3
date: 2010-12-14 09:37:18 -0500;
author: abbotti;
state: Exp;
lines: +3 -0;
commitid: 2pQqTp57JCuS4g0v;

Import DESTDIR in swig/ruby/setup.rb for configurable rbconfig install paths.
Patch from W. Trevor King.
...