Use llvm::sys::fs::createTemporaryFile.

llvm-svn: 185717
diff --git a/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp b/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
index 13f75b9..64ba5f6 100644
--- a/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
+++ b/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
@@ -700,7 +700,7 @@
 static ExplodedNode::Auditor* CreateUbiViz() {
   SmallString<128> P;
   int FD;
-  llvm::sys::fs::unique_file("llvm_ubi-%%%%%%", FD, P);
+  llvm::sys::fs::createTemporaryFile("llvm_ubi", "", FD, P);
   llvm::errs() << "Writing '" << P.str() << "'.\n";
 
   OwningPtr<llvm::raw_fd_ostream> Stream;