From 9da2dcb8a26f7d953ea73a0c0e85ed370f900c8e Mon Sep 17 00:00:00 2001
From: Carter Bray <qartar@live.com>
Date: Sun, 31 Jul 2016 17:01:57 -0700
Subject: [PATCH] Fix raw_vcall on Win64 builds

MSVC's call conventions on x64 are the same for normal function calls and
member function calls (with the addition of the implicit 'this'
parameter).
---
 plugins/ruby/ruby.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/ruby/ruby.cpp b/plugins/ruby/ruby.cpp
index adc451a19..127a49b69 100644
--- a/plugins/ruby/ruby.cpp
+++ b/plugins/ruby/ruby.cpp
@@ -1023,7 +1023,7 @@ static VALUE rb_dfmemory_set_clear(VALUE self, VALUE set)
 
 
 /* call an arbitrary object virtual method */
-#ifdef WIN32
+#if defined(_WIN32) && !defined(_WIN64)
 __declspec(naked) static int raw_vcall(void *that, void *fptr, unsigned long a0,
         unsigned long a1, unsigned long a2, unsigned long a3, unsigned long a4, unsigned long a5)
 {