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Fix compiler warning/error with clang 3.6

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Clang warns about self assignment, so use the same mechanism as
Q_UNUSED for HB_UNUSED.

Change-Id: I0894c72fb0936074b15198053464f5bc4b8991d4
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
This commit is contained in:
Lars Knoll 2016-11-08 15:33:51 +01:00
parent e649eac69a
commit b64fc69d1c
1 changed files with 1 additions and 1 deletions
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2
src/3rdparty/harfbuzz/src/harfbuzz-impl.h vendored
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@ -59,7 +59,7 @@ HB_BEGIN_HEADER
#endif
#ifndef HB_UNUSED
# define HB_UNUSED(arg) ((arg) = (arg))
# define HB_UNUSED(arg) ((void)(arg))
#endif
#define HB_LIKELY(cond) (cond)