iwlwifi: use iwl_cmd instead of iwl3945_cmd

This patch makes use of iwl_cmd instead of iwl3945_cmd and related
structures which were just the same.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 5cc6c5e..6a07a68 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -240,7 +240,7 @@
 struct iwl3945_tx_queue {
 	struct iwl_queue q;
 	struct iwl3945_tfd_frame *bd;
-	struct iwl3945_cmd *cmd;
+	struct iwl_cmd *cmd;
 	dma_addr_t dma_addr_cmd;
 	struct iwl3945_tx_info *txb;
 	int need_update;