realesrgan-ncnn-vulkan: fix build failure

diff --git a/CMakeLists.txt b/CMakeLists.txt

index 1e7b71a..9db85b1 100644

index 1e7b71a..e743ab0 100644

--- a/CMakeLists.txt

+++ b/CMakeLists.txt

@@ -107,6 +107,8 @@ if(USE_SYSTEM_NCNN)

@@ -106,9 +106,9 @@ if(USE_SYSTEM_NCNN)

         message(STATUS "Using glslang install located at ${GLSLANG_TARGET_DIR}")

         find_package(Threads)

+        find_package(SPIRV-Tools-opt REQUIRED)

+        include("${GLSLANG_TARGET_DIR}/SPIRV-Tools/SPIRV-ToolsTarget.cmake")

+        include("${GLSLANG_TARGET_DIR}/SPIRV-Tools-opt/SPIRV-Tools-optTargets.cmake")

         include("${GLSLANG_TARGET_DIR}/OSDependentTargets.cmake")

         include("${GLSLANG_TARGET_DIR}/OGLCompilerTargets.cmake")

-        include("${GLSLANG_TARGET_DIR}/OGLCompilerTargets.cmake")

         if(EXISTS "${GLSLANG_TARGET_DIR}/HLSLTargets.cmake")

             # hlsl support can be optional

             include("${GLSLANG_TARGET_DIR}/HLSLTargets.cmake")

  installPhase = ''

    mkdir -p $out/bin $out/share

    cp realesrgan-ncnn-vulkan $out/bin/

    cp -r ${models}/models $out/share

  '';

  postFixup = ''

    patchelf $out/bin/realesrgan-ncnn-vulkan --add-needed libvulkan.so

  '';

  meta = with lib; {

    description = "NCNN implementation of Real-ESRGAN. Real-ESRGAN aims at developing Practical Algorithms for General Image Restoration";

    homepage = "https://github.com/xinntao/Real-ESRGAN-ncnn-vulkan";

    license = licenses.mit;

    maintainers = with maintainers; [ tilcreator ];

    maintainers = with maintainers; [ tilcreator iynaix ];

    platforms = platforms.all;

    mainProgram = "realesrgan-ncnn-vulkan";

  };