for Bitstring, maybe a few others.)

Also removes a bit unnecessary code.

ber_memcalloc_x overflow check.  Silence some compiler warnings.

Set it after ber_mem(c)alloc_x failure.  Don't set it when not needed.

Based on patch by Martin Evans.

* Move apply_modify_to_entry():textbuf[] into caller.
* Reset rs->sr_text at end of functions that can set it to textbuf.

Also move callback trace output out of inner loop in callback.

Handles:  caseExactOrderingMatch, generalizedTimeOrderingMatch,
         caseIgnoreOrderingMatch,         integerOrderingMatch,
        octetStringOrderingMatch,   numericStringOrderingMatch.
Based on patch from Daniel Pluta.