Removed PyOS_ascii_atof from marshal.c, as mentioned in issue 7117. Also brings it more in line with py3k.
Removed PyOS_ascii_atof from marshal.c, as mentioned in issue 7117. Also brings it more in line with py3k.

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