Fix an initialization problem in previous patch

* src/bridge.c: fix struct ifreq ifr init in brAddTap()

src/bridge.c

@@ -465,7 +465,7 @@ brAddTap(brControl *ctl,
          int *tapfd)
 {
     int fd, len;
-    struct ifreq ifr = {0};
+    struct ifreq ifr;
 
     if (!ctl || !ctl->fd || !bridge || !ifname)
         return EINVAL;
@@ -473,6 +473,8 @@ brAddTap(brControl *ctl,
     if ((fd = open("/dev/net/tun", O_RDWR)) < 0)
       return errno;
 
+    memset(&ifr, 0, sizeof(ifr));
+
     ifr.ifr_flags = IFF_TAP|IFF_NO_PI;
 
 #ifdef IFF_VNET_HDR