staging: qlge: Remove unnecessary parentheses around references

This patch fixes checkpatch.pl warning:

CHECK: Unnecessary parentheses around mpi_coredump->mpi_global_header
Signed-off-by: Nishal Kulkarni <nishalkulkarni@gmail.com>
Link: https://lore.kernel.org/r/YNcPzWXkKkmip95x@nishal-pcSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/qlge/qlge_dbg.c

@@ -733,7 +733,7 @@ int qlge_core_dump(struct qlge_adapter *qdev, struct qlge_mpi_coredump *mpi_core
 	}
 
 	/* Insert the global header */
-	memset(&(mpi_coredump->mpi_global_header), 0,
+	memset(&mpi_coredump->mpi_global_header, 0,
 	       sizeof(struct mpi_coredump_global_header));
 	mpi_coredump->mpi_global_header.cookie = MPI_COREDUMP_COOKIE;
 	mpi_coredump->mpi_global_header.header_size =
@@ -1221,7 +1221,7 @@ static void qlge_gen_reg_dump(struct qlge_adapter *qdev,
 {
 	int i, status;
 
-	memset(&(mpi_coredump->mpi_global_header), 0,
+	memset(&mpi_coredump->mpi_global_header, 0,
 	       sizeof(struct mpi_coredump_global_header));
 	mpi_coredump->mpi_global_header.cookie = MPI_COREDUMP_COOKIE;
 	mpi_coredump->mpi_global_header.header_size =