add empty line after guard clause to app/models/changeset.rb

git-svn-id: http://svn.redmine.org/redmine/trunk@19928 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/changeset.rb

@@ -117,6 +117,7 @@ class Changeset < ActiveRecord::Base
 
   def scan_comment_for_issue_ids
     return if comments.blank?
+
     # keywords used to reference issues
     ref_keywords = Setting.commit_ref_keywords.downcase.split(",").collect(&:strip)
     ref_keywords_any = ref_keywords.delete('*')
@@ -197,6 +198,7 @@ class Changeset < ActiveRecord::Base
   # Finds an issue that can be referenced by the commit message
   def find_referenced_issue_by_id(id)
     return nil if id.blank?
+
     issue = Issue.find_by_id(id.to_i)
     if Setting.commit_cross_project_ref?
       # all issues can be referenced/fixed