Use md_number_to_chars for SH relocs

[Jeffrey A Law]

  In message < or3dk7uh92.fsf@guarana.lsd.ic.unicamp.br >you write:
  > --=-=-=
  > 
  > Ok to install?
  > 
  > 
  > --=-=-=
  > Content-Type: text/x-patch
  > Content-Disposition: inline; filename=sh-gas-n2c.patch
  > 
  > Index: gas/ChangeLog
  > from  Alexandre Oliva  <aoliva@redhat.com>
  > 
  > 	* config/tc-sh.c (md_apply_fix) [BFD_RELOC_32, BFD_RELOC_16]: Use
  > 	md_number_to_chars.
Approved.  Please install this patch.
jeff