vm, structs: use FLEX_ARRAY macro.

* vm.c (struct vm_closure): Use the FLEX_ARRAY macro to define
the trailing array at the end of the structure instead of
hard-coding [1].

* struct.c (struct struct_inst): Likewise.

1 files changed, 1 insertions, 1 deletions

diff --git a/vm.c b/vm.c
index bfce175c..399bef19 100644
--- a/vm.c
+++ b/vm.c
@@ -95,7 +95,7 @@ struct vm_closure {
   int nreg;
   int nlvl;
   unsigned ip;
-  struct vm_env dspl[1];
+  struct vm_env dspl[FLEX_ARRAY];
 };
 
 val vm_desc_s, vm_closure_s;