linux-user: move QEMU_IFLA_BR_MULTI_BOOLOPT to the good function

QEMU_IFLA_BR_MULTI_BOOLOPT has been added to the wrong function
host_to_target_slave_data_bridge_nlattr(). Move it to
host_to_target_data_bridge_nlattr().

This fixes following error:
  Unknown QEMU_IFLA_BR type 46

Fixes: 61b463fbf6 ("linux-user: add new netlink types")
Message-Id: <20190626150855.27446-1-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

linux-user/fd-trans.c

@@ -483,6 +483,12 @@ static abi_long host_to_target_data_bridge_nlattr(struct nlattr *nlattr,
     case QEMU_IFLA_BR_ROOT_ID:
     case QEMU_IFLA_BR_BRIDGE_ID:
         break;
+    /* br_boolopt_multi { uint32_t, uint32_t } */
+    case QEMU_IFLA_BR_MULTI_BOOLOPT:
+        u32 = NLA_DATA(nlattr);
+        u32[0] = tswap32(u32[0]); /* optval */
+        u32[1] = tswap32(u32[1]); /* optmask */
+        break;
     default:
         gemu_log("Unknown QEMU_IFLA_BR type %d\n", nlattr->nla_type);
         break;
@@ -546,12 +552,6 @@ static abi_long host_to_target_slave_data_bridge_nlattr(struct nlattr *nlattr,
     case QEMU_IFLA_BRPORT_ROOT_ID:
     case QEMU_IFLA_BRPORT_BRIDGE_ID:
         break;
-    /* br_boolopt_multi { uint32_t, uint32_t } */
-    case QEMU_IFLA_BR_MULTI_BOOLOPT:
-        u32 = NLA_DATA(nlattr);
-        u32[0] = tswap32(u32[0]); /* optval */
-        u32[1] = tswap32(u32[1]); /* optmask */
-        break;
     default:
         gemu_log("Unknown QEMU_IFLA_BRPORT type %d\n", nlattr->nla_type);
         break;