SDL: Sync -Wsign-compare warning fix from sdl2-compat

SDL Commits
1 
From 0465224616adff937c69b286abd059655577e993 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Wed, 9 Aug 2023 01:30:56 +0200
Subject: [PATCH] Sync -Wsign-compare warning fix from sdl2-compat

---
 src/events/SDL_gesture.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/events/SDL_gesture.c b/src/events/SDL_gesture.c
index 1769457eb7ba..cc18f84ed1af 100644
--- a/src/events/SDL_gesture.c
+++ b/src/events/SDL_gesture.c
@@ -61,7 +61,7 @@ typedef struct
 typedef struct
 {
     SDL_FloatPoint path[DOLLARNPOINTS];
-    unsigned long hash;
+    Sint64 hash;
 } SDL_DollarTemplate;
 
 typedef struct
@@ -630,7 +630,7 @@ void SDL_GestureProcessEvent(SDL_Event *event)
                                         &bestTempl, inTouch);
                 if (bestTempl >= 0) {
                     /* Send Event */
-                    unsigned long gestureId = inTouch->dollarTemplate[bestTempl].hash;
+                    Sint64 gestureId = inTouch->dollarTemplate[bestTempl].hash;
                     SDL_SendGestureDollar(inTouch, gestureId, error);
                     /* printf ("%s\n",);("Dollar error: %f\n",error); */
                 }