Fix metal

Author: cheneym2

tools/gfx/metal/metal-shader-program.cpp

@@ -21,7 +21,7 @@ ShaderProgramImpl::~ShaderProgramImpl() {}
 
 Result ShaderProgramImpl::createShaderModule(
     slang::EntryPointReflection* entryPointInfo,
-    List<ComPtr<ISlangBlob>> kernelCodes)
+    List<ComPtr<ISlangBlob>>& kernelCodes)
 {
     Module module;
     module.stage = entryPointInfo->getStage();

tools/gfx/metal/metal-shader-program.h

@@ -33,7 +33,7 @@ class ShaderProgramImpl : public ShaderProgramBase
 
     virtual Result createShaderModule(
         slang::EntryPointReflection* entryPointInfo,
-        List<ComPtr<ISlangBlob>> kernelCodes) override;
+        List<ComPtr<ISlangBlob>>& kernelCodes) override;
 };