Move llvmc2 header files under include/llvm/CompilerDriver

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56466 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvmc2/llvmc.cpp b/tools/llvmc2/llvmc.cpp
index bd5ea2b..592a133 100644
--- a/tools/llvmc2/llvmc.cpp
+++ b/tools/llvmc2/llvmc.cpp
@@ -14,9 +14,10 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "CompilationGraph.h"
 #include "Error.h"
-#include "Plugin.h"
+
+#include "llvm/CompilerDriver/CompilationGraph.h"
+#include "llvm/CompilerDriver/Plugin.h"
 
 #include "llvm/System/Path.h"
 #include "llvm/Support/CommandLine.h"