contrib/rpm: fix libnm License tag

https://bugzilla.redhat.com/show_bug.cgi?id=1723395
(cherry picked from commit 2752e3a774)

contrib/fedora/rpm/NetworkManager.spec

@@ -128,7 +128,7 @@ Epoch: %{epoch_version}
 Version: %{rpm_version}
 Release: %{release_version}%{?snap}%{?dist}
 Group: System Environment/Base
-License: GPLv2+
+License: GPLv2+ and LGPLv2+
 URL: http://www.gnome.org/projects/NetworkManager/
 
 #Source: https://download.gnome.org/sources/NetworkManager/%{real_version_major}/%{name}-%{real_version}.tar.xz
@@ -386,6 +386,7 @@ This package contains NetworkManager support for PPP.
 Summary: Libraries for adding NetworkManager support to applications (new API).
 Group: Development/Libraries
 Conflicts: NetworkManager-glib < %{epoch}:%{version}-%{release}
+License: LGPLv2+
 
 %description libnm
 This package contains the libraries that make it easier to use some
@@ -399,6 +400,7 @@ Group: Development/Libraries
 Requires: %{name}-libnm%{?_isa} = %{epoch}:%{version}-%{release}
 Requires: glib2-devel
 Requires: pkgconfig
+License: LGPLv2+
 
 %description libnm-devel
 This package contains the header and pkg-config files for development