Rakefile in graphql-idl-parser-0.0.1 vs Rakefile in graphql-idl-parser-0.1.0

@@ -19,10 +19,10 @@
   ext.lib_dir =  File.join('lib', 'graphql-idl-parser')
 end
 
 desc 'Pretty format C code'
 task :format do
-  puts `astyle --indent=spaces=2 --style=1tbs --keep-one-line-blocks \
+  puts `astyle --indent=spaces=2 --style=1tbs --keep-one-line-blocks -n \
         $(ack -n -f --type=cpp --type=cc ext/graphql-idl-parser/)`
 end
 
 desc 'Benchmark loading an IDL file'
 task :benchmark do