tweak bug comment to indicate which bug tracker its from

Change-Id: I4b6a27a72f76d0d22f4104004468292c19a190ce

vcl/source/gdi/pdfwriter_impl.cxx

@@ -7461,7 +7461,7 @@ void PDFWriterImpl::drawVerticalGlyphs(
         }
         aDeltaPos += (m_pReferenceDevice->PixelToLogic( Point( (int)((double)nXOffset/fXScale), 0 ) ) - m_pReferenceDevice->PixelToLogic( Point() ) );
         if( i < rGlyphs.size()-1 )
-        // [Bug 120627] the text on the Y axis is reversed when export ppt file to PDF format
+        // #i120627# the text on the Y axis is reversed when export ppt file to PDF format
         {
             long nOffsetX = rGlyphs[i+1].m_aPos.X() - rGlyphs[i].m_aPos.X();
             long nOffsetY = rGlyphs[i+1].m_aPos.Y() - rGlyphs[i].m_aPos.Y();