Fix issue #4 (Thanks @thibault)

src/parser/PajeParser/mt_ParserPaje.cpp

@@ -261,11 +261,11 @@ void mt_ParserPaje::parse(Trace &trace,
         filename = get_next_file_to_parse();
     }
 
+    traceBuilderThread.quit();
+    traceBuilderThread.wait();
+    consumerThread.quit();
+    consumerThread.wait();
     if(finish_trace_after_parse) {
-        traceBuilderThread.quit();
-        traceBuilderThread.wait();
-        consumerThread.quit();
-        consumerThread.wait();
         trace.finish();
         finish();
     }