[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_table.c b/src/vnet/fib/fib_table.c
index 627e5cb..6daa61c 100644
--- a/src/vnet/fib/fib_table.c
+++ b/src/vnet/fib/fib_table.c
@@ -1228,10 +1228,10 @@
 }
 
 u8*
-format_fib_table_name (u8* s, va_list ap)
+format_fib_table_name (u8* s, va_list* ap)
 {
-    fib_node_index_t fib_index = va_arg(ap, fib_node_index_t);
-    fib_protocol_t proto = va_arg(ap, int); // int promotion
+    fib_node_index_t fib_index = va_arg(*ap, fib_node_index_t);
+    fib_protocol_t proto = va_arg(*ap, int); // int promotion
     fib_table_t *fib_table;
 
     fib_table = fib_table_get(fib_index, proto);