pgsql: jit: Fix warning reported by gcc-11 caused by dubious function s

jit: Fix warning reported by gcc-11 caused by dubious function signature.

Reported-By: Erik Rijkers <er@xs4all.nl>
Discussion: /messages/by-id/833107370.1313189.1619647621213@webmailclassic.xs4all.nl
Backpatch: 13, where b059d2f45685 introduced the issue.

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/7f2e10baa2482494dbcf70e0ae6f0469771e0b4c

Modified Files
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src/backend/jit/llvm/llvmjit_expr.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)