misc/ios: quote paths
misc/ios: quote paths

The paths may contain spaces. Quote them.

Change-Id: I1f67085a1e7c40f60282c2fea7104fb44a01e310
Reviewed-on: https://go-review.googlesource.com/c/go/+/254739
Run-TryBot: Cherry Zhang <d62e63aa42ce272d7b6a5055d97e942b33a34679@google.com>
TryBot-Result: Go Bot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>
Reviewed-by: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@golang.org>
Reviewed-by: Dmitri Shuralyov <d181b7fea0ec87c86ba5a890ab716db52498e3ba@golang.org>
Trust: Dmitri Shuralyov <d181b7fea0ec87c86ba5a890ab716db52498e3ba@golang.org>

golang/go,nawawi/go,CAFxX/go,CAFxX/go,nawawi/go,cloudflare/go,cloudflare/go,CAFxX/go,cloudflare/go,CAFxX/go,nawawi/go,nawawi/go,nawawi/go,CAFxX/go,golang/go,cloudflare/go,CAFxX/go,nawawi/go,cloudflare/go,cloudflare/go,cloudflare/go,CAFxX/go,CAFxX/go,golang/go,golang/go,golang/go,golang/go,golang/go,golang/go,nawawi/go,nawawi/go,cloudflare/go