Display of .statement(NUM) for 64 bits

[Frank Ch. Eigler]

Wenji Huang <wenji.huang@oracle.com> writes:

> This may be not an error, just about output for .statement(NUM) on
> 64 bits machine. [probe points disassemble to decimal integers]

We could tweak this by adding heuristics to probe_point::print() so as
to print small numbers in decimal and large ones in hex.  (Remember,
number parameters also appear in probe begin(N), timer.s(N), etc.)

- FChE