Use the includedir directive on Solaris as well as Linux
Use the includedir directive on Solaris as well as Linux

It's supported on Solaris 11, which is the only supported release of Solaris on Chef

Signed-off-by: Tim Smith <764ef62106582a09ed09dfa0b6bff7c05fd7d1e4@chef.io>

opscode-cookbooks/sudo,opscode-cookbooks/sudo,chef-cookbooks/sudo,opscode-cookbooks/sudo,chef-cookbooks/sudo