Fix use of undefined variable

Ignore-this: 8bf2d938818d0dede4a2ddb690ec2286

darcs-hash:20100526091722-56b4d-c3edfe53689740ad0d0fd7051e6864f472dfd90b
Added TODO entry for MSRP report header values

Ignore-this: 7cfadac7c4cc05db4580601c14cc3950

darcs-hash:20100526125125-1e3d8-67defbc00fb78f80c309f3de14ff780a32903a39