SDL_gpu_shadercross: Free iconv string

SDL Commits
1 
From 0f9648a20027c878d88a73e31b950a00a6547162 Mon Sep 17 00:00:00 2001
From: cosmonaut <[EMAIL REDACTED]>
Date: Sun, 27 Oct 2024 21:52:58 -0700
Subject: [PATCH] Free iconv string

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

diff --git a/src/SDL_gpu_shadercross.c b/src/SDL_gpu_shadercross.c
index 86c3112..d179665 100644
--- a/src/SDL_gpu_shadercross.c
+++ b/src/SDL_gpu_shadercross.c
@@ -356,6 +356,8 @@ static void *SDL_ShaderCross_INTERNAL_CompileUsingDXC(
         IID_IDxcResult,
         (void **)&dxcResult);
 
+    SDL_free(entryPointUtf16);
+
     if (ret < 0) {
         SDL_LogError(SDL_LOG_CATEGORY_GPU,
                      "IDxcShaderCompiler3::Compile failed: %X",