qtsql does not use NIS, only qtgui does.
Bug: https://bugs.gentoo.org/564554
Closes: https://github.com/gentoo/gentoo/pull/6712
-no-accessibility -no-xmlpatterns -no-multimedia -no-audio-backend -no-phonon
-no-phonon-backend -no-svg -no-webkit -no-script -no-scripttools -no-declarative
-system-zlib -no-gif -no-libtiff -no-libpng -no-libmng -no-libjpeg -no-openssl
- -no-cups -no-dbus -no-gtkstyle -no-nas-sound -no-opengl
+ -no-cups -no-dbus -no-gtkstyle -no-nas-sound -no-nis -no-opengl
-no-sm -no-xshape -no-xvideo -no-xsync -no-xinerama -no-xcursor -no-xfixes
-no-xrandr -no-xrender -no-mitshm -no-fontconfig -no-freetype -no-xinput -no-xkb
-no-glib