use 9k to compile as well

Author: mkristian

Mavenfile

@@ -166,7 +166,7 @@ profile :id => 'test-9000' do
   end
   # NOTE: we're work-around 9K maven-runit version bug (due minitest changes) !
   # ... still can not build with 9K : https://github.com/jruby/jruby/issues/3184
-  properties 'jruby.version' => '1.7.18',
+  properties 'jruby.version' => '9.0.0.0',
              'jruby.versions' => '9.0.0.0',
              'bc.versions' => supported_bc_versions.join(',')
 end

pom.xml

@@ -729,7 +729,7 @@
       </build>
       <properties>
         <bc.versions>1.47,1.48,1.49,1.50,1.51</bc.versions>
-        <jruby.version>1.7.18</jruby.version>
+        <jruby.version>9.0.0.0</jruby.version>
         <jruby.versions>9.0.0.0</jruby.versions>
       </properties>
     </profile>