[NFC] Fix AttributeList allocated_size for ParsedType.

This if/elseif structure seems to be missing this case.
Previously, this would report a size of 1 pointer too small. 
This didn't really change anything besides failing to reclaim
a very small amount of memory.

llvm-svn: 335372
diff --git a/clang/lib/Sema/AttributeList.cpp b/clang/lib/Sema/AttributeList.cpp
index bdb91c7..4cd32b3 100644
--- a/clang/lib/Sema/AttributeList.cpp
+++ b/clang/lib/Sema/AttributeList.cpp
@@ -40,6 +40,8 @@
     return AttributeFactory::TypeTagForDatatypeAllocSize;
   else if (IsProperty)
     return AttributeFactory::PropertyAllocSize;
+  else if (HasParsedType)
+    return sizeof(AttributeList) + sizeof(void *);
   return (sizeof(AttributeList) + NumArgs * sizeof(ArgsUnion));
 }