PCI: Whitespace cleanup

Fix various whitespace errors.

No functional change.

[bhelgaas: fix other similar problems]
Signed-off-by: Ryan Desfosses <ryan@desfo.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
diff --git a/drivers/pci/pci-stub.c b/drivers/pci/pci-stub.c
index 2ff7750..886fb35 100644
--- a/drivers/pci/pci-stub.c
+++ b/drivers/pci/pci-stub.c
@@ -55,7 +55,7 @@
 	p = ids;
 	while ((id = strsep(&p, ","))) {
 		unsigned int vendor, device, subvendor = PCI_ANY_ID,
-			subdevice = PCI_ANY_ID, class=0, class_mask=0;
+			subdevice = PCI_ANY_ID, class = 0, class_mask = 0;
 		int fields;
 
 		if (!strlen(id))