get rid of warning

Author: buzzdeee

lib/puppet/provider/package/openbsd.rb

@@ -91,7 +91,7 @@ def latest
         return match[2]
       end
 
-      vcmp = properties[:ensure].split('.').map { &:to_i } <=> match[2].split('.').map { &:to_i }
+      vcmp = properties[:ensure].split('.').map { |s|s.to_i } <=> match[2].split('.').map { |s|s.to_i }
       if vcmp > 0
         # The locally installed package may actually be newer than what a mirror
         # has. Log it at debug, but ignore it otherwise.