[aarch64] Fixes CLI crashes on dpaa2 platform.

- always use 'va_args' as pointer in all format_* functions
- u32 for all 'indent' params as it's declaration was inconsistent

Change-Id: Ic5799309a6b104c9b50fec309cba789c8da99e79
Signed-off-by: Christophe Fontaine <christophe.fontaine@enea.com>
diff --git a/src/vnet/fib/fib_test.h b/src/vnet/fib/fib_test.h
index b98680b..3692f57 100644
--- a/src/vnet/fib/fib_test.h
+++ b/src/vnet/fib/fib_test.h
@@ -97,11 +97,11 @@
 
 extern int fib_test_validate_rep_v(const replicate_t *rep,
                                    u16 n_buckets,
-                                   va_list ap);
+                                   va_list *ap);
 
 extern int fib_test_validate_lb_v(const load_balance_t *lb,
                                   u16 n_buckets,
-                                  va_list ap);
+                                  va_list *ap);
 
 extern int fib_test_validate_entry(fib_node_index_t fei,
                                    fib_forward_chain_type_t fct,