Replace more release+static_cast with takeAs.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70567 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaTemplate.cpp b/lib/Sema/SemaTemplate.cpp
index 6e6021a..43713e1 100644
--- a/lib/Sema/SemaTemplate.cpp
+++ b/lib/Sema/SemaTemplate.cpp
@@ -302,7 +302,7 @@
     return;
   }
 
-  TemplateParm->setDefaultArgument(static_cast<Expr *>(DefaultE.release()));
+  TemplateParm->setDefaultArgument(DefaultE.takeAs<Expr>());
 }