Move handle_option and read_cmdline_option to opts-common.c

[Steve Kargl]

On Wed, Jun 23, 2010 at 12:50:35AM +0000, Joseph S. Myers wrote:
> 
> fortran:
> 2010-06-22  Joseph Myers  <joseph@codesourcery.com>
> 
> 	* gfortran.h (gfc_handle_option): Update prototype and return
> 	value type.
> 	* options.c (gfc_handle_option): Update prototype and return value
> 	type.
> 

The Fortran bits are OK.

-- 
steve