Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.Approved by: re (implicit)Sponsored by: The FreeBSD Foundation
MFH (r228082): add missing documentation for WITH_LIBCPLUSPLUSMFH (r228159): add missing documentation for WITH_CTF
Add WITH_LIBCPLUSPLUS under tools/build/options; the knob itself wasalready added in a previous revision.