fix block formatting

When editing with `eyaml edit`, the indentation would get inserted an
extra time on each line. Now blocks are formatted evenly.

Fixes #318.

lib/hiera/backend/eyaml/parser/encrypted_tokens.rb

@@ -65,6 +65,7 @@ def to_encrypted(args = {})
             end
             case format
             when :block
+              @cipher = @cipher.gsub(/\s/, '')
               chevron = args[:use_chevron].nil? || args[:use_chevron] ? ">\n" : ''
               "#{label_string}#{chevron}" + @indentation + "ENC[#{@encryptor.tag},#{@cipher}]".scan(/.{1,60}/).join("\n" + @indentation)
             when :string