[RFA] skip_prologue_sal and sal expansion

[Jerome Guitton]

Joel Brobecker (brobecker@adacore.com):

> > 2009-06-02  Jerome Guitton  <guitton@adacore.com>
> > 
> > 	* breakpoint.c (expand_line_sal_maybe): When explicit_line,
> > 	skip prologue on each sals.
> > 	(skip_prologue_sal): Return explicit_line and explicit_pc
> > 	unmodified.
> 
> This makes sense to me. Please go ahead and check it in.

Thank you. It has been checked in.