[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/dpo/load_balance_map.h b/src/vnet/dpo/load_balance_map.h
index 237f24b..f9344c0 100644
--- a/src/vnet/dpo/load_balance_map.h
+++ b/src/vnet/dpo/load_balance_map.h
@@ -59,7 +59,7 @@
 
 extern void load_balance_map_path_state_change(fib_node_index_t path_index);
 
-extern u8* format_load_balance_map(u8 *s, va_list ap);
+extern u8* format_load_balance_map(u8 *s, va_list *ap);
 extern void load_balance_map_show_mem(void);
 
 /**