From 4309a5b1f4833aefa9ea02dded5b21e69323a6cc Mon Sep 17 00:00:00 2001
From: KOBAYASHI Shuji <shuujii@gmail.com>
Date: Wed, 31 Mar 2021 19:10:39 +0900
Subject: Fix build with `MRB_USE_ALL_SYMBOLS`

---
 mrbgems/mruby-symbol-ext/src/symbol.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mrbgems/mruby-symbol-ext/src/symbol.c b/mrbgems/mruby-symbol-ext/src/symbol.c
index b631bffc1..460d2531d 100644
--- a/mrbgems/mruby-symbol-ext/src/symbol.c
+++ b/mrbgems/mruby-symbol-ext/src/symbol.c
@@ -1,6 +1,9 @@
 #include <mruby.h>
 #include <mruby/array.h>
 #include <mruby/string.h>
+#ifdef MRB_USE_ALL_SYMBOLS
+# include <mruby/presym.h>
+#endif
 
 /*
  *  call-seq:
-- 
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