Exclude some krazy checks which do not make sense for KWayland

This software is not portable. We don't need krazy checks telling us
that we should use Qt's portable types.

src/wayland/keyboard_interface.cpp

@@ -91,7 +91,7 @@ void KeyboardInterface::Private::sendKeymap()
     if (seat->isKeymapXkbCompatible()) {
         sendKeymap(seat->keymapFileDescriptor(), seat->keymapSize());
     } else {
-        int nullFd = open("/dev/null", O_RDONLY);
+        int nullFd = open("/dev/null", O_RDONLY); // krazy:exclude=syscalls
         wl_keyboard_send_keymap(resource, WL_KEYBOARD_KEYMAP_FORMAT_NO_KEYMAP, nullFd, 0);
         close(nullFd);
     }