libraries/gtkglext: Fixed dep info (require pangox-compat)
libraries/gtkglext: Fixed dep info (require pangox-compat)

pangox was removed from upstream pango, so Slackware 14.1
no longer has that library, which is now provided by the
pangox-compat package.

Signed-off-by: Robby Workman <2f5326e16de92cfeea9ded47a50f5e7144bd5a01@slackbuilds.org>

panosmdma/SlackOnly-SlackBuilds,panosmdma/SlackOnly-SlackBuilds,panosmdma/SlackOnly-SlackBuilds,panosmdma/SlackOnly-SlackBuilds,panosmdma/SlackOnly-SlackBuilds,panosmdma/SlackOnly-SlackBuilds,panosmdma/SlackOnly-SlackBuilds