[POWERPC] Make global_phb_number static

since it's not used outside of arch/powerpc/kernel/pci-common.c.
Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

arch/powerpc/kernel/pci-common.c

@@ -48,7 +48,7 @@
 static DEFINE_SPINLOCK(hose_spinlock);
 
 /* XXX kill that some day ... */
-int global_phb_number;		/* Global phb counter */
+static int global_phb_number;		/* Global phb counter */
 
 extern struct list_head hose_list;
 

include/asm-powerpc/ppc-pci.h

@@ -22,7 +22,6 @@ extern void pci_setup_phb_io_dynamic(struct pci_controller *hose, int primary);
 
 
 extern struct list_head hose_list;
-extern int global_phb_number;
 
 extern void find_and_init_phbs(void);