Rename read-md.c:decimal_string

[Richard Sandiford]

Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> writes:
> 2015-07-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
>
> 	* read-md.c (decimal_string): Rename to ...
> 	(md_decimal_string): ... this.
> 	(handle_enum): Reflect this.

OK, thanks.

Richard