[Issue 15128] "IP_ADD_MEMBERSHIP" error in winsock2.d

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15128

--- Comment #2 from github-bugzilla at puremagic.com ---
Commits pushed to master at https://github.com/D-Programming-Language/druntime

https://github.com/D-Programming-Language/druntime/commit/e854d0e207652ebfa9d84b21d74ef399196351f7
fix Issue 15128 - "IP_ADD_MEMBERSHIP" error in winsock2.d

https://github.com/D-Programming-Language/druntime/commit/043457fd28fe6ae0363548c6572939ff024ca12a
Merge pull request #1409 from CyberShadow/pull-20151015-182746

fix Issue 15128 - "IP_ADD_MEMBERSHIP" error in winsock2.d

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