Log message:
Pullup ticket #5281 - requested by sevan
lang/erlang: module build fix

Revisions pulled up:
- lang/erlang/module.mk                                         1.2

---
   Module Name:    pkgsrc
   Committed By:   fhajny
   Date:           Thu Apr 13 18:24:45 UTC 2017

   Modified Files:
           pkgsrc/lang/erlang: module.mk

   Log message:
   Use USE_GLOBAL_DEPS that some Erlang packages seem to use to rely on
   system dependencies.