Function proj_context_inherit

ThirdParty/libproj/vtklibproj/src/internal.cpp:142–147

void proj_context_inherit (PJ *parent, PJ *child) {
    if (nullptr==parent)
        proj_assign_context (child, pj_get_default_ctx());
    else
        proj_assign_context (child, pj_get_ctx(parent));
}