Add noarch flag.

nginx-mod-modsecurity-crs.spec

@@ -6,6 +6,7 @@ Version:        3.3.0
 Release:        1%{?dist}
 Summary:        OWASP-CRS for Nginx
 License:        ASL 2.0
+BuildArch:      noarch
 URL:            https://owasp.org/www-project-modsecurity-core-rule-set/
 Group:          System Environment/Daemons
 Source0:        https://github.com/coreruleset/coreruleset/archive/v%{version}.tar.gz