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kevans
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2018-01-15T20:40:11.470215Z
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devel/bossa: Fix build after recent Clang update on -HEAD

Clang 6 caught a bogus comparison that was not previously caught; fix the
build by correcting the comparison to correctly dereference the `char *`
before comparing it with '\0'.

PORTREVISION bumped because the comparison was erroneous and still
successfully built everywhere but -HEAD.

This patch is effectively from upstream. It will go away with the update to
BOSSA 1.8, which requires a little more testing still.

Approved by:	antoine

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