When copying a context object, allocate new memory for fMatch and fOffsets only if the size of the data being copied is different, so that a user-provided fMatch object can be properly filled (XERCESC-1870)
When copying a context object, allocate new memory for fMatch and fOffsets only if the size of the data being copied is different, so that a user-provided fMatch object can be properly filled (XERCESC-1870)

git-svn-id: 3ec853389310512053d525963cab269c063bb453@798882 13f79535-47bb-0310-9956-ffa450edef68

Distrotech/xerces-c,Distrotech/xerces-c,ctapmex/xerces-c,Distrotech/xerces-c,ctapmex/xerces-c,Distrotech/xerces-c,ctapmex/xerces-c,colorer/xerces-c,colorer/xerces-c,ctapmex/xerces-c,Distrotech/xerces-c,colorer/xerces-c,colorer/xerces-c,colorer/xerces-c