misc: move to new pool_foreach macros

Type: refactor
Change-Id: Ie67dc579e88132ddb1ee4a34cb69f96920101772
Signed-off-by: Damjan Marion <damarion@cisco.com>
diff --git a/src/vnet/gre/interface.c b/src/vnet/gre/interface.c
index 5e8ad46..30c8dc4 100644
--- a/src/vnet/gre/interface.c
+++ b/src/vnet/gre/interface.c
@@ -742,10 +742,10 @@
   if (~0 == ti)
     {
       /* *INDENT-OFF* */
-      pool_foreach (t, gm->tunnels,
-      ({
+      pool_foreach (t, gm->tunnels)
+       {
           vlib_cli_output (vm, "%U", format_gre_tunnel, t);
-      }));
+      }
       /* *INDENT-ON* */
     }
   else