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iui: draw: use mem::MaybeUninit in identity()

The `mem::uninitialized()` function is considered undefined behavior,and is therefore heavily deprecated. Instead, `mem::MaybeUninit` ispreferred.Convert the usage of `mem::uninitialized()` into `mem::MaybeUninit` inthe `Transform::identity()` function to remove this UB.Signed-off-by: Sean Cross <sean@xobs.io>

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iui/src/draw
- transform.rs

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`‎iui/src/draw/transform.rs`

Lines changed: 3 additions & 3 deletions

Original file line number	Diff line number	Diff line change
`@@ -19,9 +19,9 @@ impl Transform {`
`19`	`19`	`/// Create a new Transform that does nothing.`
`20`	`20`	`pubfnidentity() ->Transform{`
`21`	`21`	`unsafe{`
`22`		`-letmut matrix = mem::uninitialized();`
`23`		`- ui_sys::uiDrawMatrixSetIdentity(&mutmatrix);`
`24`		`-Transform::from_ui_matrix(&matrix)`
	`22`	`+letmut matrix = mem::MaybeUninit::uninit();`
	`23`	`+ ui_sys::uiDrawMatrixSetIdentity(matrix.as_mut_ptr());`
	`24`	`+Transform::from_ui_matrix(&matrix.assume_init())`
`25`	`25`	`}`
`26`	`26`	`}`
`27`	`27`

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Commitae9d019

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`‎iui/src/draw/transform.rs`

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