fix ratbag_button_get_special
fix ratbag_button_get_special

looks like a cpy-paste-o

Signed-off-by: Benjamin Tissoires <7a0e50e3f6a0939db82b6a8a423c08a163896f41@gmail.com>

whot/libratbag,cvuchener/libratbag,whot/libratbag,whot/libratbag,cvuchener/libratbag,libratbag/libratbag,cvuchener/libratbag,libratbag/libratbag,NoXPhasma/libratbag,libratbag/libratbag,NoXPhasma/libratbag,NoXPhasma/libratbag