lib/rubygems/indexer.rb in rubygems-update-2.0.0.preview2 vs lib/rubygems/indexer.rb in rubygems-update-2.0.0.preview2.1

@@ -52,11 +52,11 @@
     require 'fileutils'
     require 'tmpdir'
     require 'zlib'
 
     unless defined?(Builder::XChar) then
-      raise "Gem::Indexer requires that the XML Builder library be installed:" \
-           "\n\tgem install builder"
+      raise "Gem::Indexer requires that the XML Builder library be installed:" +
+            "\n\tgem install builder"
     end
 
     options = { :build_modern => true }.merge options
 
     @build_modern = options[:build_modern]