sysutils/moosefs3-master: bump PORTREVISION

Florian Smeets reports that a rebuild of moosefs3-client is required
after a recent update of the fusefs-libs3 port.

Error message:

ld-elf.so.1: mfsmount: Undefined symbol "fuse_parse_cmdline@FUSE_3.0"

Reported by: Florian Smeets <flo@smeets.xyz>
Approved by: portmgr (implicit)