From f18b0c5d9245560d529af9ba6fc9691ec7cad34e Mon Sep 17 00:00:00 2001
From: David Reid <mackron@gmail.com>
Date: Mon, 7 May 2018 10:21:16 +1000
Subject: [PATCH] Fix an error when compiling as C++.

---
 source/dred/dtk/dtk_window.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/dred/dtk/dtk_window.c b/source/dred/dtk/dtk_window.c
index 849d1cc..0342b86 100644
--- a/source/dred/dtk/dtk_window.c
+++ b/source/dred/dtk/dtk_window.c
@@ -822,7 +822,7 @@ dtk_result dtk_window_init__win32(dtk_context* pTK, dtk_control* pParent, dtk_wi
     ti.hwnd     = hWnd;
     ti.uId      = (UINT_PTR)hWnd;
     ti.hinst    = NULL;
-    ti.lpszText = "";
+    ti.lpszText = NULL;
     ti.lParam   = 0;
     GetClientRect((HWND)hWnd, &ti.rect);
     SendMessageA((HWND)pTK->win32.hTooltipWindow, TTM_ADDTOOLA, 0, (LPARAM)&ti);