Use CharUnits for alignments in character units.

llvm-svn: 94571
diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index 684d1ce..f1b213d 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -475,7 +475,7 @@
                                         const BlockInfo& Info,
                                         const Decl *OuterFuncDecl,
                                   llvm::DenseMap<const Decl*, llvm::Value*> ldm,
-                                        CharUnits &Size, uint64_t &Align,
+                                        CharUnits &Size, CharUnits &Align,
                       llvm::SmallVector<const Expr *, 8> &subBlockDeclRefDecls,
                                         bool &subBlockHasCopyDispose);