ucontext-cp: Mark a non-exported function as static

Functions that are not used outside the translation unit should be
static.

Signed-off-by: Ammar Faizi <ammarfaizi2@gnuweeb.org>
Link: https://lore.kernel.org/r/20221124162633.3856761-7-ammar.faizi@intel.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/examples/ucontext-cp.c b/examples/ucontext-cp.c
index ed3b342..d17aae7 100644
--- a/examples/ucontext-cp.c
+++ b/examples/ucontext-cp.c
@@ -68,7 +68,7 @@
 DEFINE_AWAIT_OP(writev)
 #undef DEFINE_AWAIT_OP
 
-int await_delay(async_context *pctx, time_t seconds)
+static int await_delay(async_context *pctx, time_t seconds)
 {
 	struct io_uring_sqe *sqe = io_uring_get_sqe(pctx->ring);
 	struct io_uring_cqe *cqe;