Fixes #7
Fixes #7

Typo, $r should have been $c.
With thanks to Martin Jonsson

git-svn-id: a8639371490699a5ef804227acf9174fafa9d6c2@64 0abfa552-1c45-0410-b09b-a165f8c081d9

Virtuvia/oauth-php,mdelano/oauth-php,sergeychernyshev/oauth-php