Correct documentation. sk_find_ex() doesn't return a pointer, it

 Changes between 0.9.7a and 0.9.8  [xx XXX xxxx]

  *) Add the function sk_find_ex() which works like sk_find(), but will

     return an index to an element even if an exact match couldn't be

     found.  The index is guaranteed to point at the element where the

     searched-for key would be inserted to preserve sorting order.

     [Richard Levitte]

  *) Add the function OBJ_bsearch_ex() which works like OBJ_bsearch() but

     takes an extra flags argument for optional functionality.  Currently,

     the following flags are defined:

	element where the comparing function returns zero.  This is useful

	if there are more than one element where the comparing function

	returns zero.

     [Richard Levitte]

  *) Make it possible to create self-signed certificates with 'openssl ca'

     in such a way that the self-signed certificate becomes part of the