coverity#1297235 Uncaught exception

Change-Id: I6b135f6d47352c1fbb729788848913402b7bb742

sal/cppunittester/cppunittester.cxx

@@ -294,7 +294,11 @@ public:
 
 }
 
-SAL_IMPLEMENT_MAIN() {
+SAL_IMPLEMENT_MAIN()
+{
+    bool ok = false;
+    try
+    {
 #ifdef WNT
         //Disable Dr-Watson in order to crash simply without popup dialogs under
         //windows
@@ -372,7 +376,12 @@ SAL_IMPLEMENT_MAIN() {
         }
 
         ProtectedFixtureFunctor tests(testlib, args, protectors, result);
-    bool ok = tests.run();
+        ok = tests.run();
+    }
+    catch (const std::exception& e)
+    {
+        SAL_WARN("vcl.app", "Fatal exception: " << e.what());
+    }
 
     return ok ? EXIT_SUCCESS : EXIT_FAILURE;
 }