The keybindings added by commit 301e67e3 (cmake-mode.el: add local
keybindings, 2012-09-20) overlap the reserved C-c space:
http://www.gnu.org/software/emacs/manual/html_node/elisp/Key-Binding-Conventions.html
Revert the commit to drop them.
Reported-by: Paul Smith <paul@mad-scientist.net>
Reviewed-by: Eric NOULARD <eric.noulard@gmail.com>