MFH: r439132

Add missing file from r438925

Apparently when you run "make makepatch" in a slave port, the patchfiles get
put into the master port's directory

Pointy-hat to: asomers
Reported by: pkg-fallout
Approved by: brd (implicit)
Sponsored by: Spectra Logic Corp

Approved by: ports-secteam (junovitch)