Only build go subpackage on %golang_arches

(i.e. the architectures where golang is available). Currently,
%{golang_arches} does not exclude any architecture that we currently
build for, but this may change in the future.

graphviz.spec

@@ -56,7 +56,11 @@
 %global GUILE 0
 %endif
 
+%ifarch %{golang_arches}
 %global GOLANG 1
+%else
+%global GOLANG 0
+%endif
 
 # Plugins version
 %global pluginsver 6
@@ -77,7 +81,7 @@
 Name:			graphviz
 Summary:		Graph Visualization Tools
 Version:		5.0.0
-Release:		2%{?dist}
+Release:		3%{?dist}
 License:		EPL-1.0
 URL:			http://www.graphviz.org/
 Source0:		https://gitlab.com/%{name}/%{name}/-/archive/%{version}/%{name}-%{version}.tar.bz2
@@ -712,6 +716,10 @@ php --no-php-ini \
 %endif
 
 %changelog
+* Tue Jul 19 2022 Maxwell G <gotmax@e.email> - 5.0.0-3
+- Only build go subpackage on %%golang_arches (i.e. the architectures where
+  golang is available).
+
 * Fri Jul 15 2022 Jiri Vanek <jvanek@redhat.com> - 5.0.0-2
 - adapted to removal of java on i686
 - finsihing merged https://src.fedoraproject.org/rpms/graphviz/pull-request/9#request_diff