dp.h: Try to make covscan believe format() is checking its bounds.
dp.h: Try to make covscan believe format() is checking its bounds.

covscan doesn't grok that size and off wind up being proxies for buf's
NULL check.  Hilarity ensues.

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

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