[Arch-excludes] Architecture specific change in rpms/rubygem-gtk3.git

The package rpms/rubygem-gtk3.git has added or updated architecture specific content in
its
spec file (ExclusiveArch/ExcludeArch or %ifarch/%ifnarch) in commit(s):
http://pkgs.fedoraproject.org/cgit/rpms/rubygem-gtk3.git/commit/?id=b171f....

Change:
+%ifnarch i686

Thanks.