perf tools: Fix dwarf-aux.c compilation on i386

perf tools: Fix dwarf-aux.c compilation on i386

Replacing %lu format strings for Dwarf_Addr type with PRIu64 as it fits
for Dwarf_Addr (defined as uint64_t) type and works also on both 32/64
bits.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1431706991-15646-1-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>