x11/xcalc: Update to 1.1.0

Update x11/xcalc to 1.1.0.
This release adds the posibility to convert between different bases, such as
octal, hexadecimal. It also adds bitwise operators and modulo.

Changelog:
https://lists.x.org/archives/xorg-announce/2019-June/002996.html

Sponsored by: B3 Init