Fixup unit tests for DiagnosticOptions change

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166509 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/Basic/SourceManagerTest.cpp b/unittests/Basic/SourceManagerTest.cpp
index a04539b..63c6483 100644
--- a/unittests/Basic/SourceManagerTest.cpp
+++ b/unittests/Basic/SourceManagerTest.cpp
@@ -32,7 +32,7 @@
   SourceManagerTest()
     : FileMgr(FileMgrOpts),
       DiagID(new DiagnosticIDs()),
-      Diags(DiagID, new IgnoringDiagConsumer()),
+      Diags(DiagID, new DiagnosticOptions, new IgnoringDiagConsumer()),
       SourceMgr(Diags, FileMgr),
       TargetOpts(new TargetOptions) {
     TargetOpts->Triple = "x86_64-apple-darwin11.1.0";