Update for LLVM function name change.

llvm-svn: 257802
diff --git a/clang/lib/CodeGen/CGCleanup.h b/clang/lib/CodeGen/CGCleanup.h
index 909f00b..4823773 100644
--- a/clang/lib/CodeGen/CGCleanup.h
+++ b/clang/lib/CodeGen/CGCleanup.h
@@ -540,7 +540,7 @@
       Size = EHPadEndScope::getSize();
       break;
     }
-    Ptr += llvm::RoundUpToAlignment(Size, ScopeStackAlignment);
+    Ptr += llvm::alignTo(Size, ScopeStackAlignment);
     return *this;
   }