clang++ efi_guid_is_empty alias issue
clang++ efi_guid_is_empty alias issue

As efi_guid_is_zero is static function, its name is mangled and the
__attribute__ ((weak, alias ("efi_guid_is_zero"))) is failing with
clang++.

Making efi_guid_is_zero a non-static function.

Signed-off-by: Jeremy Compostella <5b4de6d90b3d4185ed5afe686aad4ea88ac71343@intel.com>

vathpela/efivar-devel,rhinstaller/efivar,rhboot/efivar,rhinstaller/efivar,rhboot/efivar