aom: cfl_neon.c: make a function static

SDL Commits
1 
From cb913e11551fab807a539f5fb63dd779bb47d3ea Mon Sep 17 00:00:00 2001
From: James Zern <[EMAIL REDACTED]>
Date: Tue, 6 Aug 2024 15:07:20 -0700
Subject: [PATCH] cfl_neon.c: make a function static

This fixes a -Wmissing-prototypes warning.

Bug: aomedia:42302428
Change-Id: I9f148507c35061d8e8e2de231551c262065ccea9
---
 av1/common/arm/cfl_neon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/av1/common/arm/cfl_neon.c b/av1/common/arm/cfl_neon.c
index e872038d85..1d44aeaec4 100644
--- a/av1/common/arm/cfl_neon.c
+++ b/av1/common/arm/cfl_neon.c
@@ -134,7 +134,7 @@ static void cfl_luma_subsampling_444_lbd_neon(const uint8_t *input,
 
 #if CONFIG_AV1_HIGHBITDEPTH
 #if !AOM_ARCH_AARCH64
-uint16x8_t vpaddq_u16(uint16x8_t a, uint16x8_t b) {
+static uint16x8_t vpaddq_u16(uint16x8_t a, uint16x8_t b) {
   return vcombine_u16(vpadd_u16(vget_low_u16(a), vget_high_u16(a)),
                       vpadd_u16(vget_low_u16(b), vget_high_u16(b)));
 }