Update mount_shared_folder.rb
Update mount_shared_folder.rb

This change allows special characters in the password such as ) which will cause cmdkey to fail without the quotes.
bryson/vagrant,marxarelli/vagrant,bryson/vagrant,chrisroberts/vagrant,gitebra/vagrant,gitebra/vagrant,marxarelli/vagrant,sni/vagrant,sni/vagrant,mitchellh/vagrant,bryson/vagrant,marxarelli/vagrant,bryson/vagrant,sni/vagrant,chrisroberts/vagrant,mitchellh/vagrant,chrisroberts/vagrant,chrisroberts/vagrant,mitchellh/vagrant,gitebra/vagrant,mitchellh/vagrant,gitebra/vagrant,marxarelli/vagrant,sni/vagrant