chore: Eliminate extraneous allocations in the winit example #1869

Job	Run time
check-android-dex	36s
find-msrv	4s
cargo clippy (Android)	23s
cargo clippy (macOS)	21s
cargo clippy (Windows)	1m 10s
cargo clippy (iOS Simulator)	32s
cargo clippy (Linux)	48s
Check formatting	13s
cargo test (macOS)	50s
cargo test (Android)	26s
cargo test (Linux)	45s
cargo test (Windows)	56s
cargo test (iOS Simulator)	5m 0s
cargo-deny aarch64-apple-darwin	33s
cargo-deny i686-pc-windows-msvc	35s
cargo-deny aarch64-apple-ios	37s
cargo-deny i686-pc-windows-gnu	31s
cargo-deny x86_64-pc-windows-gnu	35s
cargo-deny x86_64-unknown-linux-gnu	33s
cargo-deny aarch64-linux-android	36s
cargo-deny x86_64-pc-windows-msvc	33s
	16m 37s

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