Architecture specific change in rpms/golang-github-cznic-mathutil.git

The package rpms/golang-github-cznic-mathutil.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/golang-github-cznic-mathutil.git/com....

Change:
+%ifarch %{ix86} x86_64 %{arm}

Thanks.