userspace: proxy: Fix typo in variable name #22037

Job	Run time
manifest-check	2m 52s
LP64-WIP	3m 55s
build-windows (mtl lnl)	11m 9s
build-windows (ptl)	9m 18s
build-windows (imx8 imx8x imx8m imx8ulp)	13m 42s
build-windows (-d, lnl)	8m 50s
build-windows (tgl tgl-h)	11m 6s
build-linux (mnfst, ptl)	5m 41s
build-linux (mnfst, --all)	18m 6s
build-linux (mnfst, mtl lnl)	6m 0s
build-linux (zmain, tgl tgl-h)	3m 24s
build-linux (zmain, mtl lnl)	3m 33s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	3m 30s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	6m 46s
build-linux (-d, mnfst, lnl)	4m 34s
build-linux (mnfst, tgl tgl-h)	5m 32s
build-linux (zmain, ptl)	3m 31s
compare-linux-win	40s
	2h 2m 9s

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