-       p += sizeof(HEADER);
+       p += NS_HFIXEDSZ;

	Moved BerElementBuffer to lber_pvt.h
	Defined union by macro so it can be easily reused.
Updated client/tools/common.c.

This could should be reworked to avoid multiple reallocs (likely
by overallocating).

Needs to be applied to other stack allocated berbufs.

parameter too difficult to use.