Updated to Clang 3.5a.

Change-Id: I8127eb568f674c2e72635b639a3295381fe8af82
diff --git a/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp b/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp
index 016e3c8..30775d5 100644
--- a/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp
+++ b/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp
@@ -24,7 +24,7 @@
 namespace {
 class UndefinedAssignmentChecker
   : public Checker<check::Bind> {
-  mutable OwningPtr<BugType> BT;
+  mutable std::unique_ptr<BugType> BT;
 
 public:
   void checkBind(SVal location, SVal val, const Stmt *S,
@@ -54,7 +54,7 @@
   const char *str = "Assigned value is garbage or undefined";
 
   if (!BT)
-    BT.reset(new BuiltinBug(str));
+    BT.reset(new BuiltinBug(this, str));
 
   // Generate a report for this bug.
   const Expr *ex = 0;