SDL: Fixed warning: no previous prototype for function 'SDL_IsJoystickGameInput'

SDL Commits
1 
From 69e94a4fbd22bad90847adb7ea5d8598f2eddd1f Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Fri, 13 Mar 2026 17:23:24 -0700
Subject: [PATCH] Fixed warning: no previous prototype for function
 'SDL_IsJoystickGameInput'

---
 src/joystick/SDL_joystick_c.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/joystick/SDL_joystick_c.h b/src/joystick/SDL_joystick_c.h
index 2eac02b9304d8..8e3639b94aec3 100644
--- a/src/joystick/SDL_joystick_c.h
+++ b/src/joystick/SDL_joystick_c.h
@@ -156,6 +156,9 @@ extern bool SDL_IsJoystickXInput(SDL_GUID guid);
 // Function to return whether a joystick guid comes from the WGI driver
 extern bool SDL_IsJoystickWGI(SDL_GUID guid);
 
+// Function to return whether a joystick guid comes from the GameInput driver
+extern bool SDL_IsJoystickGameInput(SDL_GUID guid);
+
 // Function to return whether a joystick guid comes from the HIDAPI driver
 extern bool SDL_IsJoystickHIDAPI(SDL_GUID guid);