riscv: fix trace_sys_exit hook

Fix compilation error.

Signed-off-by: David Abdurachmanov <david.abdurachmanov@gmail.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
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David Abdurachmanov 2018-12-06 16:26:34 +01:00 • committed by Palmer Dabbelt
commit 775800b0f1
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