[clang] [clang-tools-extra] [NFC] Explicitly pass a VFS when creating DiagnosticsEngine (PR #115852)

[Boaz Brickner via cfe-commits]

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@@ -368,11 +365,10 @@ IntrusiveRefCntPtr<DiagnosticsEngine> CompilerInstance::createDiagnostics(
     SetUpDiagnosticLog(Opts, CodeGenOpts, *Diags);
 
   if (!Opts->DiagnosticSerializationFile.empty())
-    SetupSerializedDiagnostics(Opts, *Diags,
-                               Opts->DiagnosticSerializationFile);
+    SetupSerializedDiagnostics(Opts, *Diags, Opts->DiagnosticSerializationFile);
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bricknerb wrote:

Just formatting?

https://github.com/llvm/llvm-project/pull/115852