[clang] [llvm] Forward declare TextEncodingConverter in TextEncoding.h, move config.h into TextEncoding.cpp (PR #207382)

[Sergei Barannikov via cfe-commits]

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@@ -27,5 +29,5 @@ class TextEncoding {
 
   llvm::StringRef getLiteralEncoding() { return LiteralEncoding; }
 };
-} // namespace clang
+
 #endif
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s-barannikov wrote:

I probably looked at the version before the rebase.
All looks good now, thanks.


https://github.com/llvm/llvm-project/pull/207382