fix MSVC/conda build (resubmit #1575)
Created by: pnorbert
This simply renames helper::CopyMemory
to helper::CopyMemoryBlock
to
avoid a name clash with the CopyMemory
defined in the MSVC build in #1485 (closed).
(cherry picked from commit 5f9bdb4e42a108ec19c2bf4034a3a2ddb0c5d951)
#1575