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Here we should check if the packet type is FOP_IMMED, if so,
we initialize the response packet to be FOP_RESP_IMMED. The
originally code wrongly check the packet flag instead of packet
type.
Signed-off-by: Min Si <msi@il.is.s.u-tokyo.ac.jp>
Signed-off-by: Antonio J. Pena <apenya@mcs.anl.gov>