Move UTF conversion routines from clang/lib/Basic to llvm/lib/Support

This is required to use them in TableGen.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173924 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/LiteralSupport.cpp b/lib/Lex/LiteralSupport.cpp
index 09a94a1..b6cc599 100644
--- a/lib/Lex/LiteralSupport.cpp
+++ b/lib/Lex/LiteralSupport.cpp
@@ -13,12 +13,13 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/Lex/LiteralSupport.h"
-#include "clang/Basic/ConvertUTF.h"
 #include "clang/Basic/TargetInfo.h"
 #include "clang/Lex/LexDiagnostic.h"
 #include "clang/Lex/Preprocessor.h"
 #include "llvm/ADT/StringExtras.h"
+#include "llvm/Support/ConvertUTF.h"
 #include "llvm/Support/ErrorHandling.h"
+
 using namespace clang;
 
 static unsigned getCharWidth(tok::TokenKind kind, const TargetInfo &Target) {