[IA64] ptrace.c: Format to make it fit in 80 cols.

David thinks this might make Jesse and Willy happy (or
at least happier).  If they can cope with line breaks
before a binary operator, rather than after, then maybe
it will :-)
Signed-off-by: David Mosberger-Tang <davidm@hpl.hp.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>