Split the single monolithic DiagnosticKinds.def file into one
.def file for each library.  This means that adding a diagnostic
to sema doesn't require all the other libraries to be rebuilt.

Patch by Anders Johnsen!

llvm-svn: 63111
diff --git a/clang/lib/Lex/PreprocessorLexer.cpp b/clang/lib/Lex/PreprocessorLexer.cpp
index e98afcc..f75ce42 100644
--- a/clang/lib/Lex/PreprocessorLexer.cpp
+++ b/clang/lib/Lex/PreprocessorLexer.cpp
@@ -13,7 +13,7 @@
 
 #include "clang/Lex/PreprocessorLexer.h"
 #include "clang/Lex/Preprocessor.h"
-#include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticLex.h"
 #include "clang/Basic/SourceManager.h"
 using namespace clang;