fix warning about always true expression
fix warning about always true expression

result is a DWORD and DWORDs seem to be unsigned thus always >=0 thus
the check is useless clutter.

Backport from commit 90afc354f7c4ab95c453f9bf9a4d18cd9155d356
on https://git.enlightenment.org/core/efl.git

gfriloux/ecore,gfriloux/ecore,gfriloux/ecore