Add space before macro inclusion

README.asc

 :project_id: gs-rest-service
 :spring_version: 3.2.4.RELEASE
 :spring_boot_version: 0.5.0.M4
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 This guide walks you through the process of creating a "hello world" link:/understanding/REST[RESTful web service] with Spring.
 
 == What you'll build
 == What you'll need
 
  - About 15 minutes
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 include::macros/prereq_editor_jdk_buildtools.asc[]
 
 

macros/prereq_editor_jdk_buildtools.asc

-:linkattrs:
 //
 // WARNING: DO NOT EDIT THIS FILE unless you are inside the getting-started-macros repo.
 // For more information see https://github.com/spring-guides/draft-gs-template/wiki/Pull-in-needed-macros
 // to see how this macro is used for writing Getting Started guides.
 //
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 ifndef::java_version[:java_version: 1.6]
 
  - A favorite text editor or IDE