Changes `stackent` to `stack` of `mrb_callinfo`

This enhances self-containment.

Previously `mrb_context::stack` had the current call level stack, but now it owns it.
The `mrb_context::stack` field, which is no longer needed, will be removed.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/kernel.c b/src/kernel.c
index f14f6af7c..36ed0c121 100644
--- a/src/kernel.c
+++ b/src/kernel.c
@@ -185,7 +185,7 @@ mrb_f_block_given_p_m(mrb_state *mrb, mrb_value self)
     bp = &e->stack[bidx];
   }
   else {
-    bp = ci[1].stackent+1;
+    bp = ci->stack+1;
     if (ci->argc >= 0) {
       bp += ci->argc;
     }