Move entry in build_funct_dict to correct position.
Move entry in build_funct_dict to correct position.

The entry 'subdir_done' is now at its right place.

thiblahute/meson,mesonbuild/meson,mesonbuild/meson,QuLogic/meson,jeandet/meson,becm/meson,QuLogic/meson,MathieuDuponchelle/meson,pexip/meson,thiblahute/meson,QuLogic/meson,MathieuDuponchelle/meson,becm/meson,jeandet/meson,pexip/meson,jpakkane/meson,QuLogic/meson,jeandet/meson,mesonbuild/meson,mesonbuild/meson,MathieuDuponchelle/meson,MathieuDuponchelle/meson,jeandet/meson,mesonbuild/meson,thiblahute/meson,jeandet/meson,pexip/meson,becm/meson,thiblahute/meson,mesonbuild/meson,mesonbuild/meson,pexip/meson,thiblahute/meson,becm/meson,MathieuDuponchelle/meson,jeandet/meson,pexip/meson,becm/meson,jeandet/meson,jpakkane/meson,jpakkane/meson,jpakkane/meson,pexip/meson,QuLogic/meson,becm/meson,MathieuDuponchelle/meson,jpakkane/meson,QuLogic/meson,jpakkane/meson,becm/meson,jpakkane/meson,QuLogic/meson,MathieuDuponchelle/meson,mesonbuild/meson,thiblahute/meson,becm/meson,becm/meson,thiblahute/meson,jeandet/meson,mesonbuild/meson,thiblahute/meson,becm/meson,MathieuDuponchelle/meson,QuLogic/meson,jpakkane/meson,pexip/meson,jpakkane/meson,pexip/meson,jeandet/meson,pexip/meson,mesonbuild/meson,pexip/meson,QuLogic/meson,MathieuDuponchelle/meson,thiblahute/meson