Description: fix fonts path to use only prawn's fonts directory
Author: Cédric Boutillier <cedric.boutillier@gmail.com>
Last-Update: 2011-11-15

--- a/lib/prawn/font/afm.rb
+++ b/lib/prawn/font/afm.rb
@@ -25,9 +25,7 @@
           @metrics_path ||= m.split(':')
         else
           @metrics_path ||= [
-            ".", "/usr/lib/afm",
-            "/usr/local/lib/afm",
-            "/usr/openwin/lib/fonts/afm/",
+            # use Prawn's font directories (Debian patch)
              Prawn::DATADIR+'/fonts/']
         end
       end