libs: quazip: add definition for OF macro
libs: quazip: add definition for OF macro

Compilation fails on my gentoo box, as quazip doesn't find a definition
of the OF macro.

However, the macro can be substituted by _Z_OF() (stolen from mainline
quazip code). This makes apm_planner compile on Gentoo and doesn't hurt
other systems.

Signed-off-by: Ralf Ramsauer <bc25af987e960b6cc74bf0778dfddb307023e65f@oth-regensburg.de>

dcarpy/apm_planner,diydrones/apm_planner,dcarpy/apm_planner,dcarpy/apm_planner,diydrones/apm_planner,diydrones/apm_planner,dcarpy/apm_planner,dcarpy/apm_planner,dcarpy/apm_planner,diydrones/apm_planner,diydrones/apm_planner,diydrones/apm_planner