PowerPC64: fix build error on 32-bit hosts

[Alan Modra]

elf64-ppc.c:11673:33: error: format ‘%lx’ expects argument of type ‘long unsigned int’, but argument 3 has type ‘bfd_vma’ {aka ‘long long unsigned int’} [-Werror=format=]
11673 |   fprintf (stderr, "offset = %#lx:", stub_entry->stub_offset);
      |                              ~~~^    ~~~~~~~~~~~~~~~~~~~~~~~
      |                                 |              |
      |                                 |              bfd_vma {aka long long unsigned int}
      |                                 long unsigned int
      |                              %#llx

	* elf64-ppc.c (dump_stub): Use BFD_VMA_FMT.

diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index 77e8f596d15..570b3563f2c 100644
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -11670,7 +11670,7 @@ dump_stub (const char *header,
   fprintf (stderr, "%s id = %u type = %s:%s:%s\n",
 	   header, stub_entry->id, t1, t2, t3);
   fprintf (stderr, "name = %s\n", stub_entry->root.string);
-  fprintf (stderr, "offset = %#lx:", stub_entry->stub_offset);
+  fprintf (stderr, "offset = 0x%" BFD_VMA_FMT "x:", stub_entry->stub_offset);
   for (size_t i = stub_entry->stub_offset; i < end_offset; i += 4)
     {
       asection *stub_sec = stub_entry->group->stub_sec;

-- 
Alan Modra
Australia Development Lab, IBM