libraries/live555: Ensure LIBDIRSUFFIX is set for non-x86
libraries/live555: Ensure LIBDIRSUFFIX is set for non-x86

Signed-off-by: Christoph Willing <1757c047fc1eb5ae34b544946e318f58134b07c6@iinet.net.au>

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