vi批量转换“{”结尾的代码风格到“{”另起一行的代码风格

 const IfMgrIfAtom* ifa = _rm->iftree().find_interface(ifname);
    if (ifa == NULL) {
    ZSP_WARN("Got update for interface not in the libfeaclient tree: %s",
             ifname.c_str());
    return;
    }

    const IfTreeInterface* ifp = observed_iftree().find_interface(ifname);
    if (ifp == NULL) {
    ZSP_WARN("Got update for interface not in the FEA tree: %s",
             ifname.c_str());
    return;
    }

 const IfMgrIfAtom* ifa = _rm->iftree().find_interface(ifname);
    if (ifa == NULL) 
   {
    ZSP_WARN("Got update for interface not in the libfeaclient tree: %s",
             ifname.c_str());
    return;
    }

    const IfTreeInterface* ifp = observed_iftree().find_interface(ifname);
    if (ifp == NULL) 
    {
    ZSP_WARN("Got update for interface not in the FEA tree: %s",
             ifname.c_str());
    return;
    }

:s/\([^ \t].*\){/\1\r{/g