[Bug libquadmath/79317] logq is returning double precision results

[ggoeckel at presby dot edu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79317

--- Comment #1 from ggoeckel at presby dot edu ---
My error. Sorry. Double precision entered with this assignment.

lntwo=6.9314718055994530941723212145817446e-01