[DRE-maint] Bug#745667: add dependency ruby-em-socksify

[Per Andersson]

Package: ruby-em-http-request
Version: 1.1.2-1
Severity: grave

Hi!

Requiring em-http-request fails due to the package not depending on
ruby-em-socksify, which is required by em-http.

Adding ruby-em-socksify to Depends makes it possible to require
em-http-request.

A fix is pushed to the ruby-em-http-request repository.


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Per