vm_core.h: fix symbols leak

* vm_core.h (rb_call_info_kw_arg_struct): make keywords a symbols
  list to get rid of inadvertent creation by variable keyword
  arguments.  [ruby-core:68031] [Bug #10831]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49517 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/vm_core.h b/vm_core.h
index b014383339..8fd8ef4c72 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -137,7 +137,7 @@ struct rb_control_frame_struct;
 
 typedef struct rb_call_info_kw_arg_struct {
     int keyword_len;
-    ID keywords[1];
+    VALUE keywords[1];
 } rb_call_info_kw_arg_t;
 
 /* rb_call_info_t contains calling information including inline cache */