Bug 650474: retry getaddrinfo without the AI_ADDRCONFIG flag if getaddrinfo fails with EAI_BADFLAGS.  r=ul-mcamafia.
Bug 650474: retry getaddrinfo without the AI_ADDRCONFIG flag if
getaddrinfo fails with EAI_BADFLAGS.  r=ul-mcamafia.

makotokato/nsprpub,makotokato/nsprpub,makotokato/nsprpub,makotokato/nsprpub,makotokato/nsprpub