SDL_gpu_shadercross: fix another one

SDL Commits
1 
From e6035a66e48225e3e6072cde5170a9cbb78db3b0 Mon Sep 17 00:00:00 2001
From: cosmonaut <[EMAIL REDACTED]>
Date: Sun, 27 Oct 2024 12:43:17 -0700
Subject: [PATCH] fix another one

---
 src/SDL_gpu_shadercross.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SDL_gpu_shadercross.c b/src/SDL_gpu_shadercross.c
index 6101abd..b0dad80 100644
--- a/src/SDL_gpu_shadercross.c
+++ b/src/SDL_gpu_shadercross.c
@@ -996,7 +996,7 @@ static SPIRVTranspileContext *SDL_ShaderCross_INTERNAL_TranspileFromSPIRV(
         }
 
         // Determine readonly vs writeonly resources
-        for (int i = 0; i < num_storage_textures; i += 1) {
+        for (size_t i = 0; i < num_storage_textures; i += 1) {
             if (!SDL_spvc_compiler_has_decoration(compiler, reflected_resources[i].id, SpvDecorationDescriptorSet) || !SDL_spvc_compiler_has_decoration(compiler, reflected_resources[i].id, SpvDecorationBinding)) {
                 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "%s", "Shader resources must have descriptor set and binding index!");
                 SDL_spvc_context_destroy(context);