fib: fix fib_path_create() with drop targets

Properly set type
	path->fp_type = FIB_PATH_TYPE_SPECIAL
for paths with (path->fp_cfg_flags & FIB_PATH_CFG_FLAG_DROP)

Type: fix

Change-Id: Id61dbcda781d872b878e6a6410c05b840795ed46
Signed-off-by: Alexander Skorichenko <askorichenko@netgate.com>

Author: askorichenko

src/vnet/fib/fib_path.c

@@ -1365,7 +1365,8 @@ fib_path_create (fib_node_index_t pl_index,
 	dpo_copy(&path->exclusive.fp_ex_dpo, &rpath->dpo);
     }
     else if ((path->fp_cfg_flags & FIB_PATH_CFG_FLAG_ICMP_PROHIBIT) ||
-        (path->fp_cfg_flags & FIB_PATH_CFG_FLAG_ICMP_UNREACH))
+	(path->fp_cfg_flags & FIB_PATH_CFG_FLAG_ICMP_UNREACH) ||
+	(path->fp_cfg_flags & FIB_PATH_CFG_FLAG_DROP))
     {
         path->fp_type = FIB_PATH_TYPE_SPECIAL;
     }