Fixed: Update of Subversion changesets broken by r3466 under Solaris (#5255).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3635 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/changeset.rb

@@ -191,6 +191,11 @@ class Changeset < ActiveRecord::Base
       end
     end
     # removes invalid UTF8 sequences
-    Iconv.conv('UTF-8//IGNORE', 'UTF-8', str + '  ')[0..-3]
+    begin
+      Iconv.conv('UTF-8//IGNORE', 'UTF-8', str + '  ')[0..-3]
+    rescue Iconv::InvalidEncoding
+      # "UTF-8//IGNORE" is not supported on some OS
+      str
+    end
   end
 end