Move TargetData to DataLayout.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165395 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGBlocks.h b/lib/CodeGen/CGBlocks.h
index 095cfdb..e3fb1de 100644
--- a/lib/CodeGen/CGBlocks.h
+++ b/lib/CodeGen/CGBlocks.h
@@ -33,7 +33,7 @@
   class Constant;
   class Function;
   class GlobalValue;
-  class TargetData;
+  class DataLayout;
   class FunctionType;
   class PointerType;
   class Value;