Builtin-options.md: fix "erros" typo [skip ci]
Builtin-options.md: fix "erros" typo [skip ci]

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