ngcgui: workaround reassignment of fd2
ngcgui: workaround reassignment of fd2

Replace puts stderr with stdout to avoid problems when
file descriptor 2 is reassigned by embedding axis app.

Original puts stderr can be restored when the inadvertent
loss of stderr is solved

unseenlaser/machinekit,strahlex/machinekit,ArcEye/MK-Qt5,mhaberler/machinekit,ikcalB/linuxcnc-mirror,kinsamanka/machinekit,bmwiedemann/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,Cid427/machinekit,ArcEye/machinekit-testing,RunningLight/machinekit,ArcEye/MK-Qt5,kinsamanka/machinekit,Cid427/machinekit,strahlex/machinekit,EqAfrica/machinekit,strahlex/machinekit,unseenlaser/machinekit,EqAfrica/machinekit,araisrobo/machinekit,mhaberler/machinekit,kinsamanka/machinekit,EqAfrica/machinekit,bobvanderlinden/machinekit,unseenlaser/machinekit,bobvanderlinden/machinekit,EqAfrica/machinekit,bmwiedemann/linuxcnc-mirror,mhaberler/machinekit,kinsamanka/machinekit,mhaberler/machinekit,ArcEye/MK-Qt5,araisrobo/machinekit,ArcEye/MK-Qt5,ArcEye/machinekit-testing,kinsamanka/machinekit,araisrobo/machinekit,ArcEye/machinekit-testing,strahlex/machinekit,ikcalB/linuxcnc-mirror,ikcalB/linuxcnc-mirror,EqAfrica/machinekit,ArcEye/MK-Qt5,ikcalB/linuxcnc-mirror,kinsamanka/machinekit,Cid427/machinekit,RunningLight/machinekit,bobvanderlinden/machinekit,strahlex/machinekit,ikcalB/linuxcnc-mirror,Cid427/machinekit,unseenlaser/machinekit,kinsamanka/machinekit,strahlex/machinekit,araisrobo/machinekit,ikcalB/linuxcnc-mirror,unseenlaser/machinekit,ArcEye/machinekit-testing,ArcEye/machinekit-testing,unseenlaser/machinekit,bmwiedemann/linuxcnc-mirror,EqAfrica/machinekit,bmwiedemann/linuxcnc-mirror,RunningLight/machinekit,mhaberler/machinekit,araisrobo/machinekit,mhaberler/machinekit,EqAfrica/machinekit,araisrobo/machinekit,ArcEye/MK-Qt5,ArcEye/machinekit-testing,RunningLight/machinekit,araisrobo/machinekit,strahlex/machinekit,EqAfrica/machinekit,Cid427/machinekit,bobvanderlinden/machinekit,unseenlaser/machinekit,bobvanderlinden/machinekit,RunningLight/machinekit,ArcEye/MK-Qt5,araisrobo/machinekit,ArcEye/machinekit-testing,RunningLight/machinekit,unseenlaser/machinekit,Cid427/machinekit,RunningLight/machinekit,bobvanderlinden/machinekit,bmwiedemann/linuxcnc-mirror,Cid427/machinekit,mhaberler/machinekit,ArcEye/machinekit-testing,ArcEye/MK-Qt5,mhaberler/machinekit,RunningLight/machinekit,araisrobo/machinekit,kinsamanka/machinekit,ikcalB/linuxcnc-mirror,Cid427/machinekit,bobvanderlinden/machinekit,bobvanderlinden/machinekit