wifi: mwifiex: clean up one inconsistent indenting

Eliminate the follow smatch warning:
drivers/net/wireless/marvell/mwifiex/pcie.c:3364 mwifiex_unregister_dev() warn: inconsistent indenting
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220615005316.9596-1-yang.lee@linux.alibaba.com

drivers/net/wireless/marvell/mwifiex/pcie.c

@@ -3373,7 +3373,7 @@ static void mwifiex_unregister_dev(struct mwifiex_adapter *adapter)
 	} else {
 		mwifiex_dbg(adapter, INFO,
 			    "%s(): calling free_irq()\n", __func__);
-	       free_irq(card->dev->irq, &card->share_irq_ctx);
+		free_irq(card->dev->irq, &card->share_irq_ctx);
 
 		if (card->msi_enable)
 			pci_disable_msi(pdev);