secfix: terminate login shell after termination of xorg

rc.xsh

@@ -191,6 +191,6 @@ aliases['p'] = ['pass']
 aliases['t'] = ['timew'] # timewarrior
 
 if shutil.which('startx') and $(tty).rstrip() == '/dev/tty1':
-    startx
+    exec startx
 
 # vim: filetype=python