[at-spi2-core] Fix build with X11 disabled

[Mike Gorse <mgorse src gnome org>]

commit 08036a4c4491eea57d7b713bb4440f541584204b
Author: Mike Gorse <mgorse suse com>
Date:   Mon Mar 21 10:19:03 2022 -0500

    Fix build with X11 disabled
    
    Closes #51

 registryd/deviceeventcontroller.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/registryd/deviceeventcontroller.c b/registryd/deviceeventcontroller.c
index 8a321adc..3068ec4b 100644
--- a/registryd/deviceeventcontroller.c
+++ b/registryd/deviceeventcontroller.c
@@ -1720,16 +1720,16 @@ spi_dec_synth_keysym (SpiDEController *controller, long keysym)
        if (synth_mods != modifiers) {
                lock_mods = synth_mods & ~modifiers;
                spi_dec_plat_lock_modifiers (controller, lock_mods);
-               if (modifiers & LockMask)
-                       spi_dec_plat_unlock_modifiers (controller, LockMask);
+               if (modifiers & SPI_KEYMASK_SHIFTLOCK)
+                       spi_dec_plat_unlock_modifiers (controller, SPI_KEYMASK_SHIFTLOCK);
        }
        spi_dec_plat_synth_keycode_press (controller, key_synth_code);
        spi_dec_plat_synth_keycode_release (controller, key_synth_code);
 
        if (synth_mods != modifiers) {
                spi_dec_plat_unlock_modifiers (controller, lock_mods);
-               if (modifiers & LockMask)
-                       spi_dec_plat_lock_modifiers (controller, LockMask);
+               if (modifiers & SPI_KEYMASK_SHIFTLOCK)
+                       spi_dec_plat_lock_modifiers (controller, SPI_KEYMASK_SHIFTLOCK);
        }
        return TRUE;
 }