ipw2200: le*_add_cpu conversion

replace all:
little_endian_variable = cpu_to_leX(leX_to_cpu(little_endian_variable) +
					expression_in_cpu_byteorder);
with:
	leX_add_cpu(&little_endian_variable, expression_in_cpu_byteorder);
generated with semantic patch

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index a56d9fc..3d4b590 100644
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -10349,9 +10349,7 @@
 					 remaining_bytes,
 					 PCI_DMA_TODEVICE));
 
-			tfd->u.data.num_chunks =
-			    cpu_to_le32(le32_to_cpu(tfd->u.data.num_chunks) +
-					1);
+			le32_add_cpu(&tfd->u.data.num_chunks, 1);
 		}
 	}