[modules] Don't warn multiple times
[modules] Don't warn multiple times

Distrotech/pango,danny-ku/pango,kari-lentz/alpha-pango,kari-lentz/alpha-pango,Distrotech/pango,kari-lentz/alpha-pango,danny-ku/pango,danny-ku/pango,Distrotech/pango,kari-lentz/alpha-pango