wilc1000: Fix missing newline in error message

Add missing newline in pr_err() message.
Signed-off-by: David Mosberger-Tang <davidm@egauge.net>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20211206232709.3192856-3-davidm@egauge.net

drivers/net/wireless/microchip/wilc1000/netdev.c

@@ -27,7 +27,7 @@ static irqreturn_t isr_uh_routine(int irq, void *user_data)
 	struct wilc *wilc = user_data;
 
 	if (wilc->close) {
-		pr_err("Can't handle UH interrupt");
+		pr_err("Can't handle UH interrupt\n");
 		return IRQ_HANDLED;
 	}
 	return IRQ_WAKE_THREAD;