[PATCH 0/1] MR11151: winewayland.drv: Fix null pointer dereference in keyboard_handle_modifiers

[zhengyong chen (＠chenzhengyong)]

xkb_state may be NULL if the keyboard has not been fully initialized when a modifiers event arrives. Add a NULL check before calling xkb_state_update_mask to prevent a crash.

tested on deepin v25 treeland and KDE plasma 6

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https://gitlab.winehq.org/wine/wine/-/merge_requests/11151