am d85472a7: Fix the build. imgdiff.c needed #include <sys/types.h>.

Merge commit 'd85472a7461d0daeb7e17a6f0a7c56f37a2335bc' into eclair-plus-aosp

* commit 'd85472a7461d0daeb7e17a6f0a7c56f37a2335bc':
  Fix the build. imgdiff.c needed #include <sys/types.h>.