WithColor.h - reduce unnecessary includes to forward declarations. NFC.

diff --git a/llvm/include/llvm/Support/WithColor.h b/llvm/include/llvm/Support/WithColor.h
index b5758b1..411a920 100644 (file)
--- a/llvm/include/llvm/Support/WithColor.h
+++ b/llvm/include/llvm/Support/WithColor.h
@@ -9,15 +9,15 @@
 #ifndef LLVM_SUPPORT_WITHCOLOR_H
 #define LLVM_SUPPORT_WITHCOLOR_H
 
-#include "llvm/ADT/StringRef.h"
 #include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Error.h"
 
 namespace llvm {
 
-extern cl::OptionCategory ColorCategory;
-
+class Error;
 class raw_ostream;
+class StringRef;
+
+extern cl::OptionCategory ColorCategory;
 
 // Symbolic names for various syntax elements.
 enum class HighlightColor {