[POWERPC] Make global_phb_number static

since it's not used outside of arch/powerpc/kernel/pci-common.c.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 2ae3b6f..742ff72 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/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;
 
diff --git a/include/asm-powerpc/ppc-pci.h b/include/asm-powerpc/ppc-pci.h
index b847aa1..fda5e3d 100644
--- a/include/asm-powerpc/ppc-pci.h
+++ b/include/asm-powerpc/ppc-pci.h
@@ -22,7 +22,6 @@
 
 
 extern struct list_head hose_list;
-extern int global_phb_number;
 
 extern void find_and_init_phbs(void);