Don't try to move dcv0 onto itself
Don't try to move dcv0 onto itself

This works on most of our systems, but it *shouldn't* work, and it seems
to be failing on one of the OS X configurations.

BalticPinguin/libmesh,jwpeterson/libmesh,dschwen/libmesh,jwpeterson/libmesh,BalticPinguin/libmesh,roystgnr/libmesh,BalticPinguin/libmesh,jwpeterson/libmesh,BalticPinguin/libmesh,capitalaslash/libmesh,jwpeterson/libmesh,jwpeterson/libmesh,capitalaslash/libmesh,BalticPinguin/libmesh,capitalaslash/libmesh,dschwen/libmesh,BalticPinguin/libmesh,capitalaslash/libmesh,libMesh/libmesh,roystgnr/libmesh,roystgnr/libmesh,capitalaslash/libmesh,libMesh/libmesh,roystgnr/libmesh,libMesh/libmesh,capitalaslash/libmesh,dschwen/libmesh,libMesh/libmesh,roystgnr/libmesh,BalticPinguin/libmesh,libMesh/libmesh,dschwen/libmesh,roystgnr/libmesh,dschwen/libmesh,libMesh/libmesh,jwpeterson/libmesh,capitalaslash/libmesh,dschwen/libmesh,dschwen/libmesh,capitalaslash/libmesh,jwpeterson/libmesh,roystgnr/libmesh,libMesh/libmesh,libMesh/libmesh,BalticPinguin/libmesh,jwpeterson/libmesh,roystgnr/libmesh,dschwen/libmesh