Architecture specific change in rpms/golang-modernc-b.git

The package rpms/golang-modernc-b.git has added or updated architecture specific content in its
spec file (ExclusiveArch/ExcludeArch or %ifarch/%ifnarch) in commit(s):
https://src.fedoraproject.org/cgit/rpms/golang-modernc-b.git/commit/?id=956a....

Change:
+%ifnarch ppc64le s390x

Thanks.

Full change:
============

commit 956ab855d47e239d04a4f2badf8cb177ed47b8b2
Author: Robert-Andr Mauchin 
Date:   Sun Jun 30 17:31:07 2019 +0200

Disable some failing tests

Signed-off-by: Robert-Andr Mauchin

diff --git a/golang-modernc-b.spec b/golang-modernc-b.spec
index ca0cff7..27c836b 100644
--- a/golang-modernc-b.spec
+++ b/golang-modernc-b.spec
@@ -1,5 +1,7 @@
 # Generated by go2rpm
+%ifnarch ppc64le s390x
 %bcond_without check
+%endif

# https://gitlab.com/cznic/b
 %global goipath         modernc.org/b