genirq: Fix typo and remove unused variable

Sigh, I'm overworked.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index cd424cd..83f4799 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -48,7 +48,7 @@
 		while (irqd_irq_inprogress(&desc->irq_data))
 			cpu_relax();
 		raw_spin_lock(&desc->lock);
-	} while irqd_irq_inprogress(&desc->irq_data);
+	} while (irqd_irq_inprogress(&desc->irq_data));
 	/* Might have been disabled in meantime */
 	return !irqd_irq_disabled(&desc->irq_data) && desc->action;
 #else