Redmine

I think the change in SetFontStyle can be ommitted and fixing only SetFont is enough. What do you think?

diff --git a/lib/redmine/export/pdf.rb b/lib/redmine/export/pdf.rb
index c8189367b..85beb8bdb 100644
--- a/lib/redmine/export/pdf.rb
+++ b/lib/redmine/export/pdf.rb
@@ -52,6 +52,7 @@ module Redmine
         end

         def SetFont(family, style='', size=0, fontfile='')
+          style = +style
           # FreeSerif Bold Thai font has problem.
           style.delete!('B') if family.to_s.casecmp('freeserif') == 0
           # DejaVuSans Italic Arabic and Persian font has problem.

Committed the patch. Thank you.