PCI: make arch/i386/pci/common.c:pci_bf_sort static

This patch makes the needlessly global pci_bf_sort static.
Signed-off-by: NAdrian Bunk <bunk@stusta.de>
Acked-by: NMatt Domsch <Matt_Domsch@dell.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

arch/i386/pci/common.c

@@ -20,7 +20,7 @@
 unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 |
 				PCI_PROBE_MMCONF;
 
-int pci_bf_sort;
+static int pci_bf_sort;
 int pci_routeirq;
 int pcibios_last_bus = -1;
 unsigned long pirq_table_addr;