$OpenBSD: patch-include_common_h,v 1.1 2018/04/24 16:21:10 espie Exp $

Index: include/common.h
--- include/common.h.orig
+++ include/common.h
@@ -22,7 +22,7 @@ class WinEDA_DrawPanel;
 #define GR_KB_LEFTSHIFT  0x20000000                 /* left shift key depressed
                                                      */
 #define GR_KB_CTRL       0x40000000                 /* CTRL depressed */
-#define GR_KB_ALT        0x80000000                 /* ALT depressed */
+#define GR_KB_ALT        ((int)0x80000000)                 /* ALT depressed */
 #define GR_KB_SHIFT      (GR_KB_LEFTSHIFT | GR_KB_RIGHTSHIFT)
 #define GR_KB_SHIFTCTRL  (GR_KB_SHIFT | GR_KB_CTRL)
 #define MOUSE_MIDDLE     0x08000000                 /* Middle button mouse
