Fixes Repository#find_changeset_by_name with PostgreSQL (#3937).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2903 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/repository.rb

@@ -94,7 +94,7 @@ class Repository < ActiveRecord::Base
   
   # Finds and returns a revision with a number or the beginning of a hash
   def find_changeset_by_name(name)
-    changesets.find(:first, :conditions => (name.match(/^\d*$/) ? ["revision = ?", name.to_i] : ["revision LIKE ?", name + '%']))
+    changesets.find(:first, :conditions => (name.match(/^\d*$/) ? ["revision = ?", name.to_s] : ["revision LIKE ?", name + '%']))
   end
   
   def latest_changeset