all: relicense the library from GPLv2 to LGPLv2.1

From the libseccomp-discuss mailing list:

  On Monday, April 09, 2012 06:06:51 PM Paul Moore wrote:
  > Hello,
  >
  > It was suggested on the libseccomp announcement thread that we
  > relicense the library from GPLv2 to LGPLv2.1.  In my opinion this
  > makes sense and I recommend we relicense the library, can I have
  > your permission to relicense your contributions?
  >
  >  * LGPLv2.1
  >    -> http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html



  On Tuesday, April 10, 2012 10:07:37 AM Eric Paris wrote:
  > You have my permission to relicense to LGPL.

  On Tuesday, April 10, 2012 10:27:39 AM Ashley Lai wrote:
  > Yes, you have my permission to relicense to LGPL.

  On Tuesday, April 10, 2012 11:48:14 AM Corey Bryant wrote:
  > We (IBM) have OSSC approval now.  You have my approval to
  > relicense my contributions to LGPLv2.1.

  On Tuesday, April 10, 2012 12:57:25 PM Eduardo Otubo wrote:
  > On Tue, Apr 10, 2012 at 11:48:14AM -0400, Corey Bryant wrote:
  > > We (IBM) have OSSC approval now.  You have my approval to
  > > relicense my contributions to LGPLv2.1.
  >
  > Exactly, not a problem for me.

Signed-off-by: Paul Moore <pmoore@redhat.com>