qlge: call ql_core_dump() only if dump memory was allocated.

Also changed a log message to indicate that memory was not allocated
instead of memory not available!

Signed-off-by: Malahal Naineni <malahal@us.ibm.com>
Acked-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc drivers/net/ethernet/qlogic/qlge/qlge_dbg.c
Simple merge

diff --cc drivers/net/ethernet/qlogic/qlge/qlge_mpi.c
Simple merge