From 540e01f1fea2fef32c6f25141b123e282af1cfc8 Mon Sep 17 00:00:00 2001
From: Patrick Pelissier <patrick.pelissier@gmail.com>
Date: Wed, 18 Jul 2018 21:21:35 +0200
Subject: [PATCH] Fix prototype of the callback to InitOnceExecuteOnce: Missing
 CALLBACK. (Some version of the compilers for windows produced warnings)

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

diff --git a/m-mutex.h b/m-mutex.h
index ce42059a..79777dbb 100644
--- a/m-mutex.h
+++ b/m-mutex.h
@@ -226,7 +226,7 @@ static inline bool m_thread_sleep(unsigned long long usec)
 // Internal type, not exported.
 typedef INIT_ONCE                     m_oncei_t[1];
 #define M_ONCEI_INIT_VALUE            { INIT_ONCE_STATIC_INIT }
-static inline BOOL m_oncei_callback( PINIT_ONCE InitOnce, PVOID Parameter, PVOID *lpContext)
+static inline BOOL CALLBACK m_oncei_callback( PINIT_ONCE InitOnce, PVOID Parameter, PVOID *lpContext)
 {
     void (*func)(void);
     (void) InitOnce;