[ARM] Initialize GOT slot for local symbol in non-PIC link

[Nick Clifton]

Hi Eric,

> Tested on ARM/VxWorks 7 and ARM/EABI, OK for the trunk?
> 
> 2018-07-13  Eric Botcazou  <ebotcazou@adacore.com>
> 
> bfd/
> 	* elf32-arm.c (elf32_arm_final_link_relocate) <R_ARM_GOT32>: Small
> 	cleanup for the case of a global symbol that binds locally.  Also
> 	install a value in the GOT slot in the case of a local symbol in
> 	a non-PIC link.
> 

Approved - please apply.

Cheers
  Nick