Properly close rb-fsevent pipe after killed it

Closes #5.

CHANGELOG.rdoc

@@ -2,6 +2,12 @@
 
 Bugs fixes:
 
+- Avoid creating new copy of fsevent_watch every time a file is changed. (issue #5)
+
+== 0.2.1 (Oct 24, 2010)
+
+Bugs fixes:
+
 - Fixes for Linux support
 
 == 0.2.0 (Oct 21, 2010)

Gemfile

@@ -5,7 +5,7 @@ gemspec
 require 'rbconfig'
 
 if Config::CONFIG['target_os'] =~ /darwin/i
-  gem 'rb-fsevent', '>= 0.3.3'
+  gem 'rb-fsevent', '>= 0.3.4'
   gem 'growl',      '~> 1.0.3'
 end
 if Config::CONFIG['target_os'] =~ /linux/i

lib/guard/listeners/darwin.rb

@@ -25,8 +25,8 @@ module Guard
     
     def self.usable?
       require 'rb-fsevent'
-      if !defined?(FSEvent::VERSION) || Gem::Version.new(FSEvent::VERSION) < Gem::Version.new('0.3.3')
-        UI.info "Please update rb-fsevent (>= 0.3.3)"
+      if !defined?(FSEvent::VERSION) || Gem::Version.new(FSEvent::VERSION) < Gem::Version.new('0.3.4')
+        UI.info "Please update rb-fsevent (>= 0.3.4)"
         false
       else
         true