[all] fix client build on linux #2317

Job	Run time
docs	49s
host-linux	43s
client (gcc, g++, xdg-shell, Release)	1m 11s
host-windows-cross	1m 0s
client (gcc, g++, xdg-shell, Debug)	50s
host-windows-native	1m 52s
module	15s
client (gcc, g++, libdecor, Release)	1m 13s
client (gcc, g++, libdecor, Debug)	1m 18s
obs (gcc)	34s
client (clang, clang++, xdg-shell, Release)	1m 56s
obs (clang)	38s
client (clang, clang++, xdg-shell, Debug)	1m 15s
client (clang, clang++, libdecor, Release)	1m 31s
client (clang, clang++, libdecor, Debug)	1m 15s
	16m 20s

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