which have no extutil.h header file, just make them depend on the
xextensions package which provides it.
Bump PKGREVISION for Xrandr and randrext.
Add builtin.mk file for xextensions.
jlam says ok.
XExtensions (aka Sundry X Extensions) contains header files and
documentation for various sundry X extensions. Library and server
implementations are separate.
This is from the freedesktop.org X Libraries and Protocol Headers Project.