Issue #3369: fix memory leak in floatobject.c.  Thanks Kristján Jónsson for the report and fix.
Issue #3369: fix memory leak in floatobject.c.  Thanks Kristján Jónsson
for the report and fix.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator