Fix wdm

Gemfile

@@ -10,7 +10,8 @@ platforms :mingw, :x64_mingw, :mswin, :jruby do
 end
 
 # Performance-booster for watching directories on Windows
-gem "wdm", "~> 0.1.1", :platforms => [:mingw, :x64_mingw, :mswin]
+#gem "wdm", "~> 0.1.1", :platforms => [:mingw, :x64_mingw, :mswin]
+gem 'wdm', '>= 0.1.0' if Gem.win_platform?
 
 # LiveReload/Watch: Update WebRick and EventMachine
 gem "webrick", "~> 1.7"

Gemfile.lock

@@ -91,7 +91,7 @@ DEPENDENCIES
   jekyll-redirect-from (~> 0.16)
   tzinfo (~> 1.2)
   tzinfo-data
-  wdm (~> 0.1.1)
+  wdm (>= 0.1.0)
   webrick (~> 1.7)
 
 BUNDLED WITH