numpaar_status.pl: fix the bug in which numpaar_status quits when the "close" button on the window title is clicked.
numpaar_status.pl: fix the bug in which numpaar_status quits when the "close" button on the window title is clicked.

debug-ito/numpaar,debug-ito/numpaar,debug-ito/numpaar,debug-ito/numpaar,debug-ito/numpaar