SDL: Fixed warning: no previous extern declaration for non-static variable 'ResamplerFilter'

From bdd47f7770542c1fe6af9edcc4e8109511453c42 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Mon, 15 Apr 2024 16:16:32 -0700
Subject: [PATCH] Fixed warning: no previous extern declaration for non-static
 variable 'ResamplerFilter'

Fixes https://github.com/libsdl-org/SDL/issues/9556
---
 src/audio/SDL_audioresample.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/audio/SDL_audioresample.c b/src/audio/SDL_audioresample.c
index 0e63cf3709e72..e88c7d771067d 100644
--- a/src/audio/SDL_audioresample.c
+++ b/src/audio/SDL_audioresample.c
@@ -447,7 +447,7 @@ static float Sinc(float *table, int x, int y)
     return (s * y) / x;
 }
 
-Cubic ResamplerFilter[RESAMPLER_SAMPLES_PER_ZERO_CROSSING][RESAMPLER_SAMPLES_PER_FRAME];
+static Cubic ResamplerFilter[RESAMPLER_SAMPLES_PER_ZERO_CROSSING][RESAMPLER_SAMPLES_PER_FRAME];
 
 static void GenerateResamplerFilter()
 {