Don't use __pure__ on efidp_*() functions.
Don't use __pure__ on efidp_*() functions.

The compiler keeps introducing off by one errors with -O2 but not with
-Og and I'm not sure why, so just don't do this optimization.

Signed-off-by: Peter Jones <2e0a021e603479ff81838c00c3b770daca4e0214@redhat.com>

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