[RFA] Correct problem in s390-opc.tab generation

[Andreas Krebbel]

> 2010-09-30  Pierre Muller  <muller@ics.u-strasbg.fr>
> 
> 	* s390-mkopc.c (main): Exit with error 1 if sscanf fails
> 	to parse all 6 parameters.

Ok makes sense.

Thanks!

-Andreas-