[mutter] Use license macro for the COPYING file

[Kalev Lember]

commit 2226886fed4c2f708291c8716a2e7ce50d7ed300
Author: Kalev Lember <kalevlember at gmail.com>
Date:   Tue Mar 17 20:29:23 2015 +0100

    Use license macro for the COPYING file

 mutter.spec | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/mutter.spec b/mutter.spec
index afb9297..7f854cc 100644
--- a/mutter.spec
+++ b/mutter.spec
@@ -138,7 +138,8 @@ fi
 glib-compile-schemas %{_datadir}/glib-2.0/schemas &> /dev/null || :
 
 %files -f %{name}.lang
-%doc COPYING NEWS
+%license COPYING
+%doc NEWS
 %doc %{_mandir}/man1/mutter.1.gz
 %{_bindir}/mutter
 %{_datadir}/applications/*.desktop
@@ -166,6 +167,7 @@ glib-compile-schemas %{_datadir}/glib-2.0/schemas &> /dev/null || :
 %changelog
 * Tue Mar 17 2015 Kalev Lember <kalevlember at gmail.com> - 3.15.92-2
 - Update minimum dep versions
+- Use license macro for the COPYING file
 
 * Tue Mar 17 2015 Florian Müllner <fmuellner at redhat.com> - 3.15.92-1
 - Update to 3.15.92