adapted .gitignore

.gitignore

@@ -2,3 +2,4 @@
 *.o
 *.user
 *.pro.*
+build/

main.cpp

@@ -164,12 +164,12 @@ int main( int argc, char** argv )
 
     wait_loop();
 
-    /*
+
     QApplication application( argc, argv );
     QtGPIOMain window;
     window.show();
     return application.exec();
-    */
+
 
 
 }