Re: bug in frexpl module

[Paolo Bonzini]

> frexpl of 1.0L should return the exponent 1 and mantissa 0.5L. Glibc does
> this. The substitute code in frexpl.c, however, returns the exponent 0 and
> mantissa 1.0L, which IMO is wrong.
>
> OK to fix this?

Ok for all.  Don't even ask for approval of changes like the testsuite, 
since you're much more up-to-date than me about what gnulib now supports.

Paolo