libtraceevent: Fix parsing of event %o and %X argument types

Add missing "%o" and "%X". Ext4 events use "%o" for printing i_mode.
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com>
Link: http://lore.kernel.org/lkml/157338066113.6548.11461421296091086041.stgit@buzzSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/lib/traceevent/event-parse.c

@@ -4395,8 +4395,10 @@ static struct tep_print_arg *make_bprint_args(char *fmt, void *data, int size, s
 				/* fall through */
 			case 'd':
 			case 'u':
-			case 'x':
 			case 'i':
+			case 'x':
+			case 'X':
+			case 'o':
 				switch (ls) {
 				case 0:
 					vsize = 4;
@@ -5078,10 +5080,11 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct tep_e
 
 				/* fall through */
 			case 'd':
+			case 'u':
 			case 'i':
 			case 'x':
 			case 'X':
-			case 'u':
+			case 'o':
 				if (!arg) {
 					do_warning_event(event, "no argument match");
 					event->flags |= TEP_EVENT_FL_FAILED;