Change OwningPtr::take() to OwningPtr::release().

This is a precursor to moving to std::unique_ptr.

llvm-svn: 203275
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index 478993a..dbc62b7 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -119,7 +119,7 @@
     delete PerModulePasses;
     delete PerFunctionPasses;
     if (CodeGenOpts.DisableFree)
-      BuryPointer(TM.take());
+      BuryPointer(TM.release());
   }
 
   llvm::OwningPtr<TargetMachine> TM;