Avoid "private method `gsub' called for nil:NilClass" error when exporting issues...

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4736 e93f8b46-1217-0410-a6f0-8f06a7374b81

diff --git a/lib/redmine/export/pdf.rb b/lib/redmine/export/pdf.rb
index c4a2c3d909708229fad528f222c5a3933ec97d9f..c98b25ff47085a903ec4fbed712032d2ec286562 100644 (file)
--- a/lib/redmine/export/pdf.rb
+++ b/lib/redmine/export/pdf.rb
@@ -255,7 +255,7 @@ module Redmine
         pdf.SetFontStyle('B',9)
         pdf.Cell(35,5, l(:field_description) + ":")
         pdf.SetFontStyle('',9)
-        pdf.MultiCell(155,5, issue.description,"BR")
+        pdf.MultiCell(155,5, issue.description.to_s,"BR")
         
         pdf.Line(pdf.GetX, y0, pdf.GetX, pdf.GetY)
         pdf.Line(pdf.GetX, pdf.GetY, 170, pdf.GetY)
@@ -271,7 +271,7 @@ module Redmine
             pdf.Ln
             unless changeset.comments.blank?
               pdf.SetFontStyle('',8)
-              pdf.MultiCell(190,5, changeset.comments)
+              pdf.MultiCell(190,5, changeset.comments.to_s)
             end   
             pdf.Ln
           end
@@ -291,7 +291,7 @@ module Redmine
           end
           if journal.notes?
             pdf.SetFontStyle('',8)
-            pdf.MultiCell(190,5, journal.notes)
+            pdf.MultiCell(190,5, journal.notes.to_s)
           end   
           pdf.Ln
         end