Improve obdump symbol filtering.

[Nick Clifton]

Hi Paul,

> 2007-05-21  Paul Brook  <paul@codesourcery.com>
> 
> 	bunutils/
> 	* objdump.c (find_symbol_for_address): Merge section and target
> 	specific filtering code.
> 
> 	ld/testsuite/
> 	* ld-arm-mixed-lib.d: Update expected output.
> 	* ld-arm/arm-app.d: Ditto.
> 	* ld-arm/mixed-app.d: Ditto.
> 	* ld-arm/arm-lib-plt32.d: Ditto.
> 	* ld-arm/arm-app-abs32.d: Ditto.
> 	* ld-arm/mixed-app-v5.d: Ditto.
> 	* ld-arm/armthumb-lib.d: Ditto.
> 	* ld-arm/arm-lib.d: Ditto.
> 
> 	gas/testsuite/
> 	* gas/arm/backslash-at.d: Update expected output.

Approved - please apply.

Cheers
   Nick