Making sure there is an editor set for ralsh

git-svn-id: https://reductivelabs.com/svn/puppet/trunk@2519 980ebf18-57e1-0310-9a29-db15c13687c0

bin/ralsh

@@ -193,6 +193,7 @@ if edit
         File.open(file, "w") do |f|
             f.puts text
         end
+        ENV["EDITOR"] ||= "vi"
         system(ENV["EDITOR"], file)
         system("puppet -v " + file)
     ensure