lang/swift510: fix for building with ccache plus a couple more small changes
The attached patch includes the following changes:
- Fix building with ccache
- Improve readability of MAKE_JOBS_NUMBER code
- Remove the workaround for libuuid After the dependency misc/e2fsprogs-libuuid was replaced with misc/libuuid the workaround became unnecessary
- Bump PORTREVISION
PR: 287968
Reported by: kib