Skype libGL.so.1 error Ubuntu 14.04

skype: error while loading shared libraries: libGL.so.1: cannot open shared object file: No such file or directory
Kernel 3.16 x86_64 GNU/Linux

Run:

update-alternatives --display i386-linux-gnu_gl_conf
sudo update-alternatives --config i386-linux-gnu_gl_conf

  Selection    Path                                     Priority   Status
------------------------------------------------------------
* 0            /usr/lib/nvidia-325/alt_ld.so.conf        8602      auto mode
  1            /usr/lib/i386-linux-gnu/mesa/ld.so.conf   500       manual mode
  2            /usr/lib/nvidia-325/alt_ld.so.conf        8602      manual mode

Press enter to keep the current choice[*], or type selection number: 1

sudo ldconfig

http://askubuntu.com/questions/257897/error-loading-libgl-so-1