brew style fixes

Library/Homebrew/test/utils/livecheck_formula_spec.rb

@@ -8,7 +8,7 @@ describe LivecheckFormula do
       install_test_formula "testball"
 
       formatted_response = described_class.init("testball")
-    
+
       expect(formatted_response).not_to be_nil
       expect(formatted_response).to be_a(Hash)
       expect(formatted_response.size).not_to eq(0)