Plugin support for llvmc2 (a-la opt).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56465 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvmc2/llvmc.cpp b/tools/llvmc2/llvmc.cpp
index 08a5989..bd5ea2b 100644
--- a/tools/llvmc2/llvmc.cpp
+++ b/tools/llvmc2/llvmc.cpp
@@ -16,10 +16,11 @@
 
 #include "CompilationGraph.h"
 #include "Error.h"
-#include "Tool.h"
+#include "Plugin.h"
 
 #include "llvm/System/Path.h"
 #include "llvm/Support/CommandLine.h"
+#include "llvm/Support/PluginLoader.h"
 
 #include <iostream>
 #include <stdexcept>