SDL_image: IMG_xcf.c: fixed -Wunused-but-set-variable warnings.

From 2ac640f9c77f927c5f95b264ad29253baa065ef1 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Fri, 27 May 2022 14:11:10 +0300
Subject: [PATCH] IMG_xcf.c: fixed -Wunused-but-set-variable warnings.

---
 IMG_xcf.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/IMG_xcf.c b/IMG_xcf.c
index bb868fa5..53d8eeeb 100644
--- a/IMG_xcf.c
+++ b/IMG_xcf.c
@@ -524,7 +524,6 @@ static unsigned char * load_xcf_tile_none (SDL_RWops * src, Uint32 len, int bpp,
 
 static unsigned char * load_xcf_tile_rle (SDL_RWops * src, Uint32 len, int bpp, int x, int y) {
   unsigned char * load, * t, * data, * d;
-  Uint32 reallen;
   int i, size, count, j, length;
   unsigned char val;
 
@@ -535,7 +534,8 @@ static unsigned char * load_xcf_tile_rle (SDL_RWops * src, Uint32 len, int bpp,
   t = load = (unsigned char *) SDL_malloc (len);
   if (load == NULL)
     return NULL;
-  reallen = SDL_RWread (src, t, 1, len);
+
+  SDL_RWread (src, t, 1, len); /* reallen */
 
   data = (unsigned char *) SDL_calloc (1, x*y*bpp);
   for (i = 0; i < bpp; i++) {
@@ -633,7 +633,6 @@ do_layer_surface(SDL_Surface * surface, SDL_RWops * src, xcf_header * head, xcf_
     xcf_level      *level;
     unsigned char  *tile;
     Uint8          *p8;
-    Uint16         *p16;
     Uint32         *p;
     int            i, j;
     Uint32         x, y, tx, ty, ox, oy;
@@ -686,7 +685,6 @@ do_layer_surface(SDL_Surface * surface, SDL_RWops * src, xcf_header * head, xcf_
             }
 
             p8 = tile;
-            p16 = (Uint16 *) p8;
             p = (Uint32 *) p8;
             for (y = ty; y < ty + oy; y++) {
                 if ((y >= surface->h) || ((tx+ox) > surface->w)) {