Added a comment about Win32.

     deallocation routines to be used by OpenSSL, for example memory

     pool implementations, or something else, which was previously hard

     since Malloc(), Realloc() and Free() were defined as macros having

     the values malloc, realloc and free, respectively.  Also, The same

     is provided for memory debugging code.  OpenSSL already comes with

     functionality to find memory leaks, but this gives people a chance

     to debug other memory problems.

     the values malloc, realloc and free, respectively (except for Win32

     compilations).  The same is provided for memory debugging code.

     OpenSSL already comes with functionality to find memory leaks, but

     this gives people a chance to debug other memory problems.

     With these changes, a new set of functions and macros have appeared: