CVS: cvs.openbsd.org: ports

[Antoine Jacoutot]

CVSROOT:        /cvs
Module name:    ports
Changes by:     ajacou...@cvs.openbsd.org       2020/12/16 10:20:04

Modified files:
        misc/gtk3mm-documentation: Makefile 

Log message:
Add docbook to MODGNOME_TOOLS to unbreak.

spotted by naddy@