warning -Xorg.0.log

[Hugh Ekeberg]

Friends

At the end of /var/Xorg.0.log, I get the following output.  Can anyone let me 
know how to fix the problem causing the warning?

Thanks

Warning: font renderer for ".ttf" already registered at priority 0
Warning: font renderer for ".TTF" already registered at priority 0
Warning: font renderer for ".ttc" already registered at priority 0
Warning: font renderer for ".TTC" already registered at priority 0
Warning: font renderer for ".otf" already registered at priority 0
Warning: font renderer for ".OTF" already registered at priority 0
Warning: font renderer for ".otc" already registered at priority 0
Warning: font renderer for ".OTC" already registered at priority 0
Warning: font renderer for ".pfa" already registered at priority 0
Warning: font renderer for ".PFA" already registered at priority 0
Warning: font renderer for ".pfb" already registered at priority 0
Warning: font renderer for ".PFB" already registered at priority 0
Warning: font renderer for ".BDF" already registered at priority -10
Warning: font renderer for ".PCF" already registered at priority -10