Added extra check for clearing the output buffer; the output buffering might not have been started.
Added extra check for clearing the output buffer; the output buffering
might not have been started.



git-svn-id: a8639371490699a5ef804227acf9174fafa9d6c2@55 0abfa552-1c45-0410-b09b-a165f8c081d9

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