5e6f40bdef
In-tree gcc (4.2) doesn't understand __attribute__((ms_abi)) (EFIABI_ATTR). Avoid declaring functions with that attribute when the compiler is detected to be gcc < 4.4. Reviewed by: kib, imp (previous version) Approved by: markj (mentor) Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D11636