tree b21dad4f1d2c68fe88139d2bca28aa10b84923a4
parent cd254c95a7cb5961bd53d16737f06bf261426e38
author Ben Cheng <bccheng@google.com> 1396483226 -0700
committer Ben Cheng <bccheng@google.com> 1396542690 -0700

Minor code clean-up for GCC 4.9.

- Tidy up "signed vs unsigned" comparison
- Unconditionally initialize the "protocol" variable. This is a
  false-positive warning as protocol is indeed initialized when used,
  but GCC failed to detect the dependency between protocol and ip6.

Change-Id: I8146898d91d45531c3de73403e0df3330c0a2043