RFA: fix fill size output in map file for cross-linking

[Nick Clifton]

Hi Joern,

>The linker prints out four bytes of garbage as the top half of the size
>of a fill when generating a linker map for i686-pc-linux-gnu X sh-elf .
>This patch fixes it:
>
>2004-05-06  J"orn Rennecke <joern.rennecke@superh.com>
>
>	* ldlang.c (print_padding_statement): Cast size_t to bfd_vma
>	before printing it with %W.
>  
>
Approved - please apply.

Cheers
  Nick