[gnome-nibbles] Use the %license macro for the COPYING file

[Kalev Lember]

commit b1d7759cf10175323c6f420944b12fd6248f4496
Author: Kalev Lember <kalevlember at gmail.com>
Date:   Tue Mar 3 20:31:27 2015 +0100

    Use the %license macro for the COPYING file

 gnome-nibbles.spec | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/gnome-nibbles.spec b/gnome-nibbles.spec
index b9722d7..063c5e5 100644
--- a/gnome-nibbles.spec
+++ b/gnome-nibbles.spec
@@ -62,7 +62,7 @@ glib-compile-schemas %{_datadir}/glib-2.0/schemas &>/dev/null || :
 
 
 %files -f %{name}.lang
-%doc COPYING
+%license COPYING
 %{_bindir}/gnome-nibbles
 %{_datadir}/appdata/gnome-nibbles.appdata.xml
 %{_datadir}/applications/*.desktop
@@ -76,6 +76,7 @@ glib-compile-schemas %{_datadir}/glib-2.0/schemas &>/dev/null || :
 %changelog
 * Tue Mar 03 2015 Kalev Lember <kalevlember at gmail.com> - 3.15.91.1-1
 - Update to 3.15.91.1
+- Use the %%license macro for the COPYING file
 
 * Tue Feb 17 2015 Richard Hughes <rhughes at redhat.com> - 3.15.90-1
 - Update to 3.15.90