[Asterisk-code-review] build system: Fix some warnings highlighted by clang (asterisk[master])

[Joshua Colp]

Joshua Colp has posted comments on this change.

Change subject: build_system:  Fix some warnings highlighted by clang
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Patch Set 2:

recheck

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Gerrit-MessageType: comment
Gerrit-Change-Id: I5195b6189b148c2ee3ed4a19d015a6d4ef3e77bd
Gerrit-PatchSet: 2
Gerrit-Project: asterisk
Gerrit-Branch: master
Gerrit-Owner: George Joseph <george.joseph at fairview5.com>
Gerrit-Reviewer: Anonymous Coward #1000019
Gerrit-Reviewer: Joshua Colp <jcolp at digium.com>
Gerrit-HasComments: No