winedbg: Use the official definitions for exception flags.

programs/winedbg/info.c

@@ -1095,7 +1095,7 @@ void info_win32_exception(void)
         dbg_printf("0x%08lx", rec->ExceptionCode);
         break;
     }
-    if (rec->ExceptionFlags & EH_STACK_INVALID)
+    if (rec->ExceptionFlags & EXCEPTION_STACK_INVALID)
         dbg_printf(", invalid program stack");
 
     switch (addr.Mode)

programs/winedbg/tgt_active.c

@@ -275,7 +275,7 @@ static DWORD dbg_handle_exception(const EXCEPTION_RECORD* rec, BOOL first_chance
     }
 
     if (first_chance && !is_debug && !DBG_IVAR(BreakOnFirstChance) &&
-	!(rec->ExceptionFlags & EH_STACK_INVALID))
+	!(rec->ExceptionFlags & EXCEPTION_STACK_INVALID))
     {
         /* pass exception to program except for debug exceptions */
         return DBG_EXCEPTION_NOT_HANDLED;