Added throw specification for BufferOp's ::buildSubgraphs() and ::computeBuffer(). Cleanup on exception in computeBuffer().
Added throw specification for BufferOp's ::buildSubgraphs() and ::computeBuffer(). Cleanup on exception in computeBuffer().


git-svn-id: 6c2b1bd10c324c49ea9d9e6e31006a80e70507cb@240 5242fede-7e19-0410-aef8-94bd7d2200fb

Uli1/geos,Uli1/geos,Uli1/geos,Uli1/geos,vmx/geos,vmx/geos,Uli1/geos,vmx/geos,Uli1/geos,Uli1/geos,vmx/geos,vmx/geos,vmx/geos