SDL: Centered joystick axis values should be 0

SDL Commits
1 
From f6126e9ea1f66cfeccf1cf7fd6bd798bf45eaff3 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Mon, 10 Feb 2025 08:35:30 -0800
Subject: [PATCH] Centered joystick axis values should be 0

Fixes https://github.com/libsdl-org/sdl2-compat/issues/338
---
 src/joystick/SDL_gamepad.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/joystick/SDL_gamepad.c b/src/joystick/SDL_gamepad.c
index 2efa9c305eebc..d51e39ba5e2f7 100644
--- a/src/joystick/SDL_gamepad.c
+++ b/src/joystick/SDL_gamepad.c
@@ -2824,7 +2824,7 @@ bool SDL_GamepadHasAxis(SDL_Gamepad *gamepad, SDL_GamepadAxis axis)
  */
 Sint16 SDL_GetGamepadAxis(SDL_Gamepad *gamepad, SDL_GamepadAxis axis)
 {
-    Sint16 result = true;
+    Sint16 result = 0;
 
     SDL_LockJoysticks();
     {