chore(GX12): remove compiler warning #1112

Job	Run time
Run tests (tx16s)	5m 26s
Run tests (tx15)	5m 36s
Run tests (pl18ev)	5m 15s
Run tests (pl18)	5m 16s
Run tests (t16)	5m 22s
Run tests (el18)	5m 31s
Run tests (nv14)	6m 13s
Run tests (t20)	3m 12s
Run tests (t18)	5m 36s
Run tests (tlite)	3m 21s
Run tests (t12max)	3m 16s
Run tests (tx16smk3)	5m 40s
Run tests (tx12)	3m 10s
Run tests (t15)	5m 57s
Run tests (gx12)	3m 17s
Run tests (nb4p)	5m 7s
Run tests (x9e)	3m 31s
Run tests (x9dp2019)	3m 12s
Run tests (st16)	5m 51s
Run tests (pa01)	5m 46s
Run tests (x12s)	5m 10s
Run tests (t14)	3m 8s
Run tests (t20v2)	3m 14s
Run tests (x10)	5m 17s
Run tests (mt12)	3m 13s
Run tests (t15pro)	5m 25s
Run builds (zorro;pocket;mt12;commando8)	4m 51s
Run builds (pa01)	3m 40s
Run builds (t12max)	1m 53s
Run builds (st16)	3m 27s
Run builds (tx12mk2;boxer;gx12)	4m 1s
Run builds (tx16smk3)	3m 51s
Run builds (pl18;pl18ev;pl18u)	8m 1s
Run builds (tx16s)	3m 38s
Run builds (t15;t16;t18)	8m 22s
Run builds (tx15)	3m 41s
Run builds (x10;x10express)	5m 15s
Run builds (x9dp2019)	2m 3s
Run builds (f16)	3m 34s
Run builds (t20;t20v2;t14)	4m 2s
Run builds (x9e;x9e-hall)	2m 51s
Run builds (tprov2;tpros;bumblebee)	3m 49s
Run builds (nb4p)	3m 17s
Run builds (mt12;gx12)	3m 7s
Run builds (x12s)	3m 17s
Run builds (t15pro)	3m 24s
Run builds (v12;v14;v16)	5m 25s
Run builds (x7access)	2m 8s
Run builds (nv14;el18)	5m 44s
Package firmwares	5s
	3h 34m 28s

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