PCI: fix a brace coding style issue in probe.c

Fixed a brace coding style issue.

Signed-off-by: Zac Storer <zac.3.14159@gmail.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 04e74f4..d5d0ab8 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1534,7 +1534,7 @@
 		return NULL;
 
 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
-	if (!dev){
+	if (!dev) {
 		kfree(b);
 		return NULL;
 	}