Fix spacing and indentation.

Library/Homebrew/cask/lib/hbc/container/dmg.rb

@@ -91,7 +91,7 @@ module Hbc
       end
 
       # unnecessary DMG metadata
-      DMG_METADATA_FILES = %w[
+      DMG_METADATA_FILES = Set.new %w[
         .background
         .com.apple.timemachine.donotpresent
         .com.apple.timemachine.supported
@@ -103,7 +103,7 @@ module Hbc
         .TemporaryItems
         .Trashes
         .VolumeIcon.icns
-                           ].to_set.freeze
+      ].freeze
 
       def dmg_metadata?(path)
         relative_root = path.sub(%r{/.*}, "")

Library/Homebrew/cask/spec/locale_spec.rb

@@ -11,7 +11,7 @@ describe Locale do
 
     context "raises a ParserError when given" do
       it "an empty string" do
-        expect{ described_class.parse("") }.to raise_error(Locale::ParserError)
+        expect { described_class.parse("") }.to raise_error(Locale::ParserError)
       end
 
       it "a string in a wrong format" do