tdf#115276: multiply quarter-points by 5 (not divide) to convert to twips

Unit test will come in separate commit

Change-Id: I4cd6983d708868883c766b239cb57752106a59bf
Reviewed-on: https://gerrit.libreoffice.org/48780Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>

writerfilter/source/rtftok/rtfdispatchvalue.cxx

@@ -557,7 +557,8 @@ RTFError RTFDocumentImpl::dispatchValue(RTFKeyword nKeyword, int nParam)
         break;
         case RTF_EXPND:
         {
-            auto pValue = std::make_shared<RTFValue>(nParam / 5);
+            // Convert quarter-points to twentieths of a point
+            auto pValue = std::make_shared<RTFValue>(nParam * 5);
             m_aStates.top().aCharacterSprms.set(NS_ooxml::LN_EG_RPrBase_spacing, pValue);
         }
         break;