Fixed testcases.

Change-Id: Ia20094acbadcb6bec921ec77751f2c73a94e05cb
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>

tests/manual/cplusplus-frontend/main.cpp

@@ -74,7 +74,7 @@ int main(int argc, char *argv[])
 
         Document::Ptr doc = Document::create(fileName);
         doc->control()->setDiagnosticClient(0);
-        doc->setSource(source);
+        doc->setUtf8Source(source);
         doc->parse();
     }