consent: Fix accented character in includeValues documentation.

Thanks to Matthew Slowe for providing this patch!

Merged into 1.10-branch from r3214.

git-svn-id: https://simplesamlphp.googlecode.com/svn/branches/simplesamlphp-1.10@3215 44740490-163a-0410-bde0-09ae8108e29a