Use %gem_extdir_mri instead of ext for %check due to ruby3.2 change

for ext cleanup during build

rubygem-pango.spec

@@ -13,7 +13,7 @@
 Summary:	Ruby binding of pango-1.x
 Name:		rubygem-%{gem_name}
 Version:	4.0.3
-Release:	1%{?dist}
+Release:	2%{?dist}
 # from README
 License:	LGPLv2
 URL:		http://ruby-gnome2.sourceforge.jp/
@@ -141,7 +141,7 @@ sed -i test/run-test.rb \
 sed -i test/run-test.rb \
 	-e '\@run-test@s|require_relative "../../|require "|'
 # Ignore floating point difference on i686 for now
-ruby -Ilib:test:ext/%{gem_name} ./test/run-test.rb \
+ruby -Ilib:test:%{buildroot}%{gem_extdir_mri} ./test/run-test.rb \
 %ifarch %ix86
 	'--ignore-name=/test_rotate!*/' \
 %endif
@@ -172,6 +172,10 @@ ruby -Ilib:test:ext/%{gem_name} ./test/run-test.rb \
 %exclude	%{gem_instdir}/Rakefile
 
 %changelog
+* Sun Dec 25 2022 Mamoru TASAKA <mtasaka@fedoraproject.org> - 4.0.3-2
+- Use %%gem_extdir_mri instead of ext for %%check due to ruby3.2 change
+  for ext cleanup during build
+
 * Fri Sep 16 2022 Mamoru TASAKA <mtasaka@fedoraproject.org> - 4.0.3-1
 - 4.0.3