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Diffstat (limited to 'rts/win32/veh_excn.c')
-rw-r--r--rts/win32/veh_excn.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/rts/win32/veh_excn.c b/rts/win32/veh_excn.c
index c94dc5a830..d925ad8919 100644
--- a/rts/win32/veh_excn.c
+++ b/rts/win32/veh_excn.c
@@ -22,7 +22,7 @@
#define CALL_LAST 0
// this should be in <excpt.h>, but it's been removed from MinGW distributions
-#ifndef EH_UNWINDING
+#if !defined(EH_UNWINDING)
#define EH_UNWINDING 0x02
#endif /* EH_UNWINDING */