Fix resize from width=1 to wider.
Fix resize from width=1 to wider.

Test Plan:
Shrink terminal to width=1 and expand. Empty lines appear above
prompt line.

Reviewers: billiob

Differential Revision: https://phab.enlightenment.org/D361

ihorlaitan/terminology,godfath3r/terminology,bssb/terminology,godfath3r/terminology,ihorlaitan/terminology,godfath3r/terminology,bssb/terminology,ihorlaitan/terminology,bssb/terminology