userspace: proxy: Fix typo in variable name #881

Job	Run time
LP64-WIP	3m 56s
manifest-check	3m 2s
build-windows (-d, lnl)	9m 46s
build-windows (tgl tgl-h)	12m 14s
build-windows (imx8 imx8x imx8m imx8ulp)	13m 52s
build-linux (mnfst, tgl tgl-h)	5m 34s
build-linux (zmain, ptl)	3m 31s
build-windows (mtl lnl)	12m 20s
build-linux (mnfst, mtl lnl)	5m 53s
build-windows (ptl)	10m 28s
build-linux (zmain, tgl tgl-h)	3m 34s
build-linux (mnfst, --all)	18m 22s
build-linux (mnfst, ptl)	5m 49s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	3m 23s
build-linux (-d, mnfst, lnl)	4m 26s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	6m 41s
build-linux (zmain, mtl lnl)	3m 32s
compare-linux-win	30s
	2h 6m 53s

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