(Modules-4508) Fixed error with version parameter

Using one dash instead of two for a parameter causes chocolatey to think
the parameter is a bundled option (like -dvyf means --debug --verbose
--confirm --force).

lib/puppet/provider/package/chocolatey.rb

@@ -77,7 +77,7 @@ def install
       end
 
       # Add the package version
-      args << @resource[:name][/\A\S*/] << '-version' << @resource[:ensure]
+      args << @resource[:name][/\A\S*/] << '--version' << @resource[:ensure]
     end
 
     if choco_exe