[krbdev.mit.edu #7682] Mechglue dynamic initialization functions miss some functions

[Simo Sorce via RT]

[simos - Sat Jul 20 13:47:52 2013]:

> [simos - Sat Jul 20 13:40:46 2013]:
> 
> > Patch to add import/export support
> 
> Sorry this one was the wrong patch, new one attached.

Improved commit comment and removed useless code comment