Fix up cross-file class merging

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6882 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/rdoc/code_objects.rb

@@ -477,6 +477,12 @@ module RDoc
       nil
     end
 
+    # Find a named module
+    def find_module_named(name)
+      find_class_or_module_named(name) || find_enclosing_module_named(name)
+    end
+
+
   end
 
   # ClassModule is the base class for objects representing either a