trace: clean up format errors in calls to trace_seq_printf

After adding the printf format checking for trace_seq_printf, several
warnings now show up. This patch cleans them up.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 4e3ad36..1a4e144 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -440,7 +440,7 @@
 
 	trace_assign_type(field, entry);
 
-	if (!trace_seq_printf(s, "%x %x\n",
+	if (!trace_seq_printf(s, "%lx %lx\n",
 			      field->ip,
 			      field->parent_ip))
 		return TRACE_TYPE_PARTIAL_LINE;