#161 libwmf2 COPYING file incorrect

[Bob Friesenhahn]

In the current libwmf 0.2.8.4 tarball, the COPYING file which was LGPL was replaced with the full GPL COPYING file. It is not clear if this was by accident or intentional. Regardless the libwmf2 license is clearly LGPL. The CVS repository was not updated to support the 0.2.8.3 and 0.2.8.4 releases so it is not clear how these releases were managed.