Rename the 'Attributes' class to 'Attribute'. It's going to represent a single attribute in the future.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170502 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineBlockPlacement.cpp b/lib/CodeGen/MachineBlockPlacement.cpp
index 6b97b5f..044d9ed 100644
--- a/lib/CodeGen/MachineBlockPlacement.cpp
+++ b/lib/CodeGen/MachineBlockPlacement.cpp
@@ -1014,7 +1014,7 @@
   // unnatural CFGs and backedges that were introduced purely because of the
   // loop rotations done during this layout pass.
   if (F.getFunction()->getFnAttributes().
-        hasAttribute(Attributes::OptimizeForSize))
+        hasAttribute(Attribute::OptimizeForSize))
     return;
   unsigned Align = TLI->getPrefLoopAlignment();
   if (!Align)