Include ruby.h in empty.c to have ABI version

I forgot to include this as part of 638fd8774bed27b997f3b634ba8be7aa304be3c3.
2022-02-22 12:00:15 -05:00 · 2022-02-22 12:00:15 -05:00 · 06dab12717
commit 06dab12717
parent 2dd66e5571
1 changed files with 2 additions and 0 deletions
--- a/ext/-test-/dln/empty/empty.c
+++ b/ext/-test-/dln/empty/empty.c
@ -1,3 +1,5 @@
+#include "ruby.h"
+
 void
 Init_empty(void)
 {