adjusted the attachment date column width on pdf issue export to avoid overlapping in japanese

git-svn-id: http://redmine.rubyforge.org/svn/trunk@302 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/issues/_pdf.rfpdf

@@ -93,8 +93,8 @@
 		pdf.SetFontStyle('',8)
 	    pdf.Cell(80,5, attachment.filename)
 		pdf.Cell(20,5, number_to_human_size(attachment.filesize),0,0,"R")
-		pdf.Cell(20,5, format_date(attachment.created_on),0,0,"R")
-		pdf.Cell(70,5, attachment.author.name,0,0,"R")
+		pdf.Cell(25,5, format_date(attachment.created_on),0,0,"R")
+		pdf.Cell(65,5, attachment.author.name,0,0,"R")
 		pdf.Ln
 	end
 %>
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