Add footer for newlines in Apple

lib/twine/formatters/apple.rb

@@ -65,6 +65,15 @@ module Twine
         end
       end
 
+      def format_footer(lang)
+        "\n"
+      end
+
+      def format_file(lang)
+        result = super
+        result += format_footer(lang)
+      end
+
       def format_section_header(section)
         "\n/********** #{section.name} **********/"
       end

lib/twine/formatters/apple_plural.rb

@@ -21,11 +21,6 @@ module Twine
         footer = "\n</dict>\n</plist>\n"
       end
 
-      def format_file(lang)
-        result = super
-        result += format_footer(lang)
-      end
-
       def format_header(lang)
         header =  "<\?xml version=\"1.0\" encoding=\"UTF-8\"\?>\n"
         header += "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n"