Xen: fix whitespaces,tabs coding style issue in drivers/xen/pci.c

This is a patch to the pci.c file that fixed up whitespaces, tabs warnings found by the checkpatch.pl tools.
Signed-off-by: NRuslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>

drivers/xen/pci.c

@@ -36,7 +36,7 @@ static int xen_add_device(struct device *dev)
 		struct physdev_manage_pci_ext manage_pci_ext = {
 			.bus		= pci_dev->bus->number,
 			.devfn		= pci_dev->devfn,
-			.is_virtfn 	= 1,
+			.is_virtfn	= 1,
 			.physfn.bus	= pci_dev->physfn->bus->number,
 			.physfn.devfn	= pci_dev->physfn->devfn,
 		};
@@ -56,7 +56,7 @@ static int xen_add_device(struct device *dev)
 			&manage_pci_ext);
 	} else {
 		struct physdev_manage_pci manage_pci = {
-			.bus 	= pci_dev->bus->number,
+			.bus	= pci_dev->bus->number,
 			.devfn	= pci_dev->devfn,
 		};