[boost] [type_traits] is_base_and_derived on Borland 5.8.1

From: Daniel James (daniel_james_at_[hidden])
Date: 2006-03-02 13:05:08

Hi,

is_base_and_derived isn't working on Borland 5.8.1, as you can see if 
you compare the test results for 5.8.1 (http://tinyurl.com/nru5r) and 
5.6.4 (http://tinyurl.com/mh4s9). The attached patch might fix it. 
Please, could someone with access to the compiler try it out?

thanks,

Daniel