edje_cc: fix comparisons for possible non-float values

Summary:
when defined, BUILD_EDJE_FP causes some of these struct members to not
be floating types and additionally defines special macros to be used
for comparisons to handle this case
Depends on D11786

Subscribers: cedric, reviewers, committers

Tags: efl

Differential Revision: https://phab.enlightenment.org/D11787