Fix for the issue " libtocc::Manager should check for the existence of `base_path`"

There are different opinions. To me 1. Defining two variables in a single line is wrong! 2. * belongs to the type, not the variable name. (:

Any way. None of them is correct and none of them is wrong. The important thing is to follow same code style in the whole project. So, please follow the style of the already written code.