From 984b8e7da00f3c3a21e84282e4afe298333ccecb Mon Sep 17 00:00:00 2001
From: Patrick Pelissier <patrick.pelissier@gmail.com>
Date: Fri, 3 Aug 2018 18:55:01 +0200
Subject: [PATCH] Fix const cast issue for 'void *' pointer.

---
 m-core.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/m-core.h b/m-core.h
index 4fb2bfb2..82622d00 100644
--- a/m-core.h
+++ b/m-core.h
@@ -1335,7 +1335,7 @@
 */
 #ifndef __cplusplus
 # define M_CONST_CAST(type, n)                          \
-  (((union { type *ptr; const type *cptr; }){n}).cptr)
+  (((union { type *ptr; type const *cptr; }){n}).cptr)
 #else
 # define M_CONST_CAST(type, n)                  const_cast<const type*>(n)
 #endif