Close socket if bind() fails.

    Coverity:

    CID 739685 (#1 of 1): Resource leak (RESOURCE_LEAK)
    At (8): Handle variable "sock" going out of scope leaks the handle.

    Signed-off-by: Henning Rogge <[email protected]>

Author: HRogge

src/linux/kernel_routes_nl.c

@@ -101,6 +101,7 @@ int rtnetlink_register_socket(int rtnl_mgrp)
 
   if (bind(sock,(struct sockaddr *)&addr,sizeof(addr))<0) {
     OLSR_PRINTF(1,"could not bind rtnetlink socket! %s (%d)",strerror(errno), errno);
+    close (sock);
     return -1;
   }