[boost] Range/compat2 is not correct

compat2.cpp is failing on VC 7.1 and the compiler seems to be right: there is a 'typename' missing! Stefan ..\libs\range\test\compat2.cpp(45) : warning C4346: 'range_iterator<Container>::pts<C>::type' : dependent name is not a type prefix with 'typename' to indicate a type