iwlwifi: zero trans_cfg before settings its fields

People tend not to set the fields they want to leave as 0.
So make sure the struct is zeroed properly.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c
index 95d348b..bcaec84 100644
--- a/drivers/net/wireless/iwlwifi/dvm/main.c
+++ b/drivers/net/wireless/iwlwifi/dvm/main.c
@@ -1231,7 +1231,7 @@
 	struct iwl_op_mode *op_mode;
 	u16 num_mac;
 	u32 ucode_flags;
-	struct iwl_trans_config trans_cfg;
+	struct iwl_trans_config trans_cfg = {};
 	static const u8 no_reclaim_cmds[] = {
 		REPLY_RX_PHY_CMD,
 		REPLY_RX_MPDU_CMD,