From ArchWiki

I've followed the steps as described, but I get an error regarding the type of a library unknown to me:

[flav@pavillion .mozilla]$ nspluginwrapper -v -a -i
Auto-install plugins from /usr/lib/mozilla/plugins
Looking for plugins in /usr/lib/mozilla/plugins
/usr/lib/nspluginwrapper/i386/linux/npviewer.bin: error while loading shared libraries: libXdamage.so.1: wrong ELF class: ELFCLASS64
Auto-install plugins from /usr/lib/firefox/plugins
Looking for plugins in /usr/lib/firefox/plugins
/usr/lib/nspluginwrapper/i386/linux/npviewer.bin: error while loading shared libraries: libXdamage.so.1: wrong ELF class: ELFCLASS64
/usr/lib/nspluginwrapper/i386/linux/npviewer.bin: error while loading shared libraries: libXdamage.so.1: wrong ELF class: ELFCLASS64
Auto-install plugins from /home/flav/.mozilla/plugins
Looking for plugins in /home/flav/.mozilla/plugins

-- Install lib32-libxdamage Meqif 06:44, 20 March 2008 (EDT)