attr: Depends on gettext
attr: Depends on gettext

Closes Linuxbrew/linuxbrew#983.

Signed-off-by: Shaun Jackman <b580dab3251a9622aba3803114310c23fdb42900@gmail.com>

Linuxbrew/linuxbrew,gnubila-france/linuxbrew,reelsense/linuxbrew,sjackman/linuxbrew,gnubila-france/linuxbrew,saketkc/linuxbrew,gnubila-france/linuxbrew,Angeldude/linuxbrew,Linuxbrew/linuxbrew,sjackman/linuxbrew,reelsense/linuxbrew,sjackman/linuxbrew,Homebrew/linuxbrew,saketkc/linuxbrew,Angeldude/linuxbrew,gnubila-france/linuxbrew,SuperNEMO-DBD/cadfaelbrew,SuperNEMO-DBD/cadfaelbrew,Angeldude/linuxbrew,Homebrew/linuxbrew,reelsense/linuxbrew,reelsense/linuxbrew,Homebrew/linuxbrew,Linuxbrew/linuxbrew,SuperNEMO-DBD/cadfaelbrew,SuperNEMO-DBD/cadfaelbrew,Homebrew/linuxbrew,Linuxbrew/linuxbrew,sjackman/linuxbrew,saketkc/linuxbrew,saketkc/linuxbrew,Angeldude/linuxbrew