Replace last fmt::format with IGL_FORMAT

Summary: Don't use fmt::format directly

Reviewed By: corporateshark

Differential Revision: D50095026

fbshipit-source-id: 3d3dd6d4813c2e883338bdda80b9e4aec05b1ed1

src/igl/vulkan/Device.cpp

@@ -235,7 +235,7 @@ std::shared_ptr<VulkanShaderModule> Device::createShaderModule(const void* data,
   // Replace filename with your own path according to the platform and recompile.
   // Ex. for Android your filepath should be specific to the package name:
   // /sdcard/Android/data/<packageName>/files/
-  std::string filename = fmt::format("{}{}{}.spv", PATH_HERE, debugName, std::to_string(hash));
+  std::string filename = IGL_FORMAT("{}{}{}.spv", PATH_HERE, debugName, std::to_string(hash));
   if (!std::filesystem::exists(filename)) {
     std::ofstream spirvFile;
     spirvFile.open(filename, std::ios::out | std::ios::binary);