Fix license meta-data

It's GPLv2, really.

packaging/template.spec

 Release:        1%{?dist}
 Summary:        __MKIT_PROJ_NAME__ - __MKIT_PROJ_TAGLINE__
 URL:            __MKIT_PROJ_VCS_BROWSER__
-License:        LGPLv2
+License:        GPLv2
 Source0:        %{name}-%{version}.tar.gz
 BuildArch:      noarch
 BuildRequires:  %saturnin_req