perf tools: Initialize cpu set in pthread_attr_setaffinity_np feature test
Feature tests are compiled but not executed, however it might avoid a future uninitialized variable warning, so initialize the cpu set. Reported-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-tip-commits@vger.kernel.org Link: http://lkml.kernel.org/r/54F41849.1010906@intel.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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