Allow to prefer IPv4 address for IRC-Server if Socket6 is installed.#3

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mape2k wants to merge 1 commit intodgl:masterfrom mape2k:prefer_ipv4_server_connect

+17-12

Commits on Dec 24, 2013

Allow to prefer IPv4 address for IRC-Server if Socket6 is installed. Removes redundant, non implemented version to prefer IPv6 address.
mape2k
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