SDL_image: Updated to the latest version of SDL (60013)

From 60013b1f94676e38d15c57de3e5cd36483c78187 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Sat, 22 Jun 2024 06:27:27 -0700
Subject: [PATCH] Updated to the latest version of SDL

---
 examples/showanim.c  | 2 +-
 examples/showimage.c | 2 +-
 external/SDL         | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/examples/showanim.c b/examples/showanim.c
index bf9ca842..7aae2252 100644
--- a/examples/showanim.c
+++ b/examples/showanim.c
@@ -128,7 +128,7 @@ int main(int argc, char *argv[])
             while ( SDL_PollEvent(&event) ) {
                 switch (event.type) {
                     case SDL_EVENT_KEY_UP:
-                        switch (event.key.keysym.sym) {
+                        switch (event.key.key) {
                             case SDLK_LEFT:
                                 if ( i > 1 ) {
                                     i -= 2;
diff --git a/examples/showimage.c b/examples/showimage.c
index fcabca9c..86543035 100644
--- a/examples/showimage.c
+++ b/examples/showimage.c
@@ -204,7 +204,7 @@ int main(int argc, char *argv[])
             while ( SDL_PollEvent(&event) ) {
                 switch (event.type) {
                     case SDL_EVENT_KEY_UP:
-                        switch (event.key.keysym.sym) {
+                        switch (event.key.key) {
                         case SDLK_LEFT:
                             if ( i > 1 ) {
                                 i -= 2;
diff --git a/external/SDL b/external/SDL
index ea8df465..99d28ca4 160000
--- a/external/SDL
+++ b/external/SDL
@@ -1 +1 @@
-Subproject commit ea8df4657535812c9f7ebdfd066d26ac118718e9
+Subproject commit 99d28ca485f76a5ad60a1f3497e1b6cf14932f59