SDL_image: IMG_libpng: fix png_get_text() signature.

SDL Commits
1 
From 19679eeb057f5464a9f5201f1c1c0671f8d26920 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Fri, 9 Jan 2026 03:15:25 +0300
Subject: [PATCH] IMG_libpng: fix png_get_text() signature.

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

diff --git a/src/IMG_libpng.c b/src/IMG_libpng.c
index ffbad87b..fa5ca4e7 100644
--- a/src/IMG_libpng.c
+++ b/src/IMG_libpng.c
@@ -174,7 +174,7 @@ static struct
     png_byte (*png_get_color_type)(png_const_structrp png_ptr, png_const_inforp info_ptr);
     png_uint_32 (*png_get_image_width)(png_const_structrp png_ptr, png_const_inforp info_ptr);
     png_uint_32 (*png_get_image_height)(png_const_structrp png_ptr, png_const_inforp info_ptr);
-    int (*png_get_text)(png_const_structp png_ptr, png_infop info_ptr, png_textp *text_ptr, int *num_text);
+    png_uint_32 (*png_get_text)(png_const_structp png_ptr, png_infop info_ptr, png_textp *text_ptr, int *num_text);
 
     void (*png_write_flush)(png_structrp png_ptr);
 } lib;
@@ -279,7 +279,7 @@ bool IMG_InitPNG(void)
         FUNCTION_LOADER_LIBPNG(png_get_color_type, png_byte(*)(png_const_structrp png_ptr, png_const_inforp info_ptr))
         FUNCTION_LOADER_LIBPNG(png_get_image_width, png_uint_32(*)(png_const_structrp png_ptr, png_const_inforp info_ptr))
         FUNCTION_LOADER_LIBPNG(png_get_image_height, png_uint_32(*)(png_const_structrp png_ptr, png_const_inforp info_ptr))
-        FUNCTION_LOADER_LIBPNG(png_get_text, int (*)(png_const_structrp png_ptr, png_inforp info_ptr, png_textp *text_ptr, int *num_text))
+        FUNCTION_LOADER_LIBPNG(png_get_text, png_uint_32 (*)(png_const_structrp png_ptr, png_inforp info_ptr, png_textp *text_ptr, int *num_text))
 
         FUNCTION_LOADER_LIBPNG(png_write_flush, void (*)(png_structrp png_ptr))
     }