perf probe: Fix ARM 32 building error

Commit 9b118acae310f57baee770b5db402500d8695e50 ("perf probe: Fix to
handle aliased symbols in glibc") uses an absolute format '%lx' to
print u64 argument, which causes compiling error on ARM 32.

This patch replaces it with PRIx64.

Signed-off-by: Wang Nan <wangnan0@huawei.com>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
Link: http://lkml.kernel.org/r/1428459274-138470-1-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/probe-event.c

@@ -322,7 +322,8 @@ static int find_alternative_probe_point(struct debuginfo *dinfo,
 		ret = -ENOENT;
 		goto out;
 	}
-	pr_debug("Symbol %s address found : %lx\n", pp->function, address);
+	pr_debug("Symbol %s address found : %" PRIx64 "\n",
+			pp->function, address);
 
 	ret = debuginfo__find_probe_point(dinfo, (unsigned long)address,
 					  result);