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

llvm-svn: 170502
diff --git a/llvm/lib/CodeGen/TailDuplication.cpp b/llvm/lib/CodeGen/TailDuplication.cpp
index d20a881..197b946 100644
--- a/llvm/lib/CodeGen/TailDuplication.cpp
+++ b/llvm/lib/CodeGen/TailDuplication.cpp
@@ -553,7 +553,7 @@
   unsigned MaxDuplicateCount;
   if (TailDuplicateSize.getNumOccurrences() == 0 &&
       MF.getFunction()->getFnAttributes().
-        hasAttribute(Attributes::OptimizeForSize))
+        hasAttribute(Attribute::OptimizeForSize))
     MaxDuplicateCount = 1;
   else
     MaxDuplicateCount = TailDuplicateSize;