RFA: Fix selective[456] linker tests for sh-elf (and others?)

[Nick Clifton]

Hi Joern,

> 2003-04-29  J"orn Rennecke <joern.rennecke@superh.com>
> 
> 	* ld-selective/3.cc (start): New function.
> 	* ld-selective/4.cc: Likewise.
> 	* ld-selective/5.cc: Likewise.

Approved - please apply (branch & mainline).

Cheers
        Nick