using_oh_my_zsh: use the oh-my-zsh rc file in RUNME

RUNME

@@ -56,7 +56,7 @@ echo " -> Done"
 
 # Zsh
 echo "Symlinking for zsh:"
-ln -s dotfiles/zsh/zshrc ~/.zshrc
+ln -s dotfiles/zsh/zshrc.ohmyzsh ~/.zshrc
 ln -s dotfiles/zsh/zshenv ~/.zshenv
 ln -s dotfiles/zsh/zshlocal ~/.zshlocal
 ln -s ../../oh-my-zsh-customs/cinaeco.zsh-theme zsh/oh-my-zsh/custom