Fix simple-mmap require

diff --git a/cookbooks/tile/files/default/ruby/expire.rb b/cookbooks/tile/files/default/ruby/expire.rb
index 1392229e8ed8c8fe362f48978374e45aa972aa7b..1d4a861f4e193dc6cc8e1563007626c1e4c9c724 100755 (executable)
--- a/cookbooks/tile/files/default/ruby/expire.rb
+++ b/cookbooks/tile/files/default/ruby/expire.rb
@@ -5,7 +5,7 @@ require "proj4"
 require "xml/libxml"
 require "set"
 require "time"
-require "simple-mmap"
+require "simple_mmap"
 
 module Expire
   # projection object to go from latlon -> spherical mercator