If you want to resolve temporary for all user:
sudo -s
mv /usr/bin/skype /usr/bin/skype-bin
gedit /usr/bin/skype
then copy this:
#!/bin/sh
export LD_PRELOAD=/usr/lib/i386-linux-gnu/mesa/libGL.so.1
exec skype-bin
save and close and then:
chmod 0755 /usr/bin/skype
now skype works for all users!
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