genirq: Fix semicolon.cocci warnings

kernel/irq/proc.c:69:2-3: Unneeded semicolon

Remove unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

Fixes: 0d3f5425 ("genirq: Introduce effective affinity mask")
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: kbuild-all@01.org
Link: http://lkml.kernel.org/r/20170822075053.GA93890@lkp-hsx02

kernel/irq/proc.c

@@ -66,7 +66,7 @@ static int show_irq_affinity(int type, struct seq_file *m)
 #else
 		return -EINVAL;
 #endif
-	};
+	}
 
 	switch (type) {
 	case AFFINITY_LIST: