* ext/socket/ancdata.c (bsock_recvmsg_internal): Add a cast to
  suppress warning.
  Bionic defines socklen_t as int.
  Bionic defines msg_controllen as unsigned int (__kernel_size_t)
  instead of socklen_t as POSIX.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40599 b2dd03c8-39d4-4d8f-98ff-823fe69b080e