linux listener (and spec) work

lib/guard/listeners/linux.rb

@@ -45,8 +45,8 @@ module Guard
 
     def watch_change
       while !@stop
-        if IO.select([notifier.to_io], [], [], latency)
-          notifier.process
+        if IO.select([inotify.to_io], [], [], latency)
+          inotify.process
 
           unless files.empty?
             files.map! { |file| file.gsub("#{Dir.pwd}/", '') }

spec/guard/listeners/linux_spec.rb

@@ -12,7 +12,7 @@ describe Guard::Linux do
   
   if linux?
     it "should be usable on linux" do
-      subject.should_not be_usable
+      subject.should be_usable
     end
     
     describe "watch" do