Log Message:
Fix the build of editors/gedit3 after

revision 1.39
date: 2018-04-14 13:24:31 +0100;  author: adam;  state: Exp;  lines: +5 -7;  \ 
commitid: RjIJejQgPmCCgpyA;
gobject3: buildlink3 -> DEPENDS

in the same vein as devel/libpeas

revision 1.38
date: 2018-04-16 21:48:49 +0100;  author: adam;  state: Exp;  lines: +2 -1;  \ 
commitid: WD47AIHKmfnEZHyA;
libpeas: included py-gobject3-common/buildlink3.mk