Fix compiler warnings (-Wsometimes-uninitialized)
Fix compiler warnings (-Wsometimes-uninitialized)

rhinstaller/efivar,rhinstaller/efivar,android-ia/vendor_intel_external_efivar,CyanogenMod/android_vendor_intel_external_efivar,rhboot/efivar,rhboot/efivar,vathpela/efivar-devel