fixing an MRI 1.8 incompat in specs

spec/link_spec.rb

@@ -59,15 +59,16 @@ describe "Using the Link Model", :reset_redis => true do
       h[:updated_at].should == l.updated_at
       h[:created_at].should == l.created_at
       h[:hosts].has_key?(@host.name).should == true
-      h[:hosts][@host.name].keys.sort.should == [:id, :status, :tags, :services].sort
+      h[:hosts][@host.name].keys.map {|k| k.to_s}.sort.should == [:id, :status, :tags, :services].map {|k| k.to_s}.sort
       h[:services].has_key?(@service.name).should == true
-      h[:services][@service.name][@host.name].keys.sort.should == [:id, :status, :tags].sort
+      h[:services][@service.name][@host.name].keys.map {|k| k.to_s}.sort.should == [:id, :status, :tags].map {|k| k.to_s}.sort
       h[:applications].has_key?(@application.name).should == true
-      h[:applications][@application.name].keys.sort.should == [:id, :tags, :configurations].sort
+      h[:applications][@application.name].keys.map {|k| k.to_s}.sort.should == [:id, :tags, :configurations].map {|k| k.to_s}.sort
       h[:configurations].has_key?(@configuration.name).should == true
-      h[:configurations][@configuration.name].keys.sort.should == [:id, :tags, :format, :body].sort
+      h[:configurations][@configuration.name].keys.map {|k| k.to_s }.sort.should == [:id, :tags, :format, :body].map {|k| k.to_s}.sort
       h[:ephemerals].has_key?(@ephemeral.name).should == true
-      h[:ephemerals][@ephemeral.name].keys.sort.should == [:id, :tags, :path, :data].sort
+      h[:ephemerals][@ephemeral.name].keys.map {|k| k.to_s}.sort.should == [:id, :tags, :path, :data].map {|k| k.to_s}.sort
+
     end
   end
   describe "should not" do
@@ -84,5 +85,3 @@ describe "Using the Link Model", :reset_redis => true do
     end
   end
 end
-
-