pciback: Coding Style Fix

diff -r 3983b041fc51 drivers/xen/pciback/xenbus.c
@@ -392,7 +392,8 @@ static int pciback_reconfigure(struct pc
 					    XenbusStateInitialised);
 			if (err) {
 				xenbus_dev_fatal(pdev->xdev, err,
-						 "Error switching substate of " 						 "dev-%d\n", i);
+						 "Error switching substate of "
+						 "dev-%d\n", i);
 				goto out;
 			}	
 			break;