Update strings.xml

following orignal xml ```    <string name="decompress_to">Extract to…</string>```



Ellipsis. Use the ellipsis character (…) (Option-; on MacOS and &hellip; in HTML) to indicate

Incompleteness, such as an action in progress (“Downloading...”) or truncated text.

That a menu item (such as Print… or Share…) leads to further UI involving significant choices. Exception: Commands whose wording already implies further (but limited) UI, such as Find in page or Pick a date, do not require an ellipsis. 
https://developer.android.com/design/style/writing.html