[POWERPC] null_pci_ops: Use named structure member initializers

Signed-off-by: Nathan Lynch <ntl@pobox.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index 04a3109..0e2bee4 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -1457,8 +1457,8 @@
 
 static struct pci_ops null_pci_ops =
 {
-	null_read_config,
-	null_write_config
+	.read = null_read_config,
+	.write = null_write_config,
 };
 
 /*