From fb4ff2449c7f2d8bba753634947d3380c99954b8 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Tue, 17 May 2016 20:26:16 +0200
Subject: [PATCH] Correct test for MSVC in wxStackWalker::Walk()

Use "#if defined" instead of "#if" for the check for __VISUALC__ added in
e405bf160746f0fbf20fa29bbca5b3d0d99f9d0e to avoid -Wundef warnings when
compiling this code with gcc.
---
 src/msw/stackwalk.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/msw/stackwalk.cpp b/src/msw/stackwalk.cpp
index ae04b0bc6c..6cab9f5ff4 100644
--- a/src/msw/stackwalk.cpp
+++ b/src/msw/stackwalk.cpp
@@ -343,7 +343,7 @@ void wxStackWalker::Walk(size_t skip, size_t maxDepth)
         ctx.Eip = regEip;
         ctx.Esp = regEsp;
         ctx.Ebp = regEbp;
-    #elif __VISUALC__
+    #elif defined(__VISUALC__)
         __asm
         {
         Here: