add some missing indexes

src/mod/applications/mod_voicemail/mod_voicemail.c

@@ -303,6 +303,8 @@ static char *vm_index_list[] = {
 	"create index voicemail_msgs_idx5 on voicemail_msgs(in_folder)",
 	"create index voicemail_msgs_idx6 on voicemail_msgs(read_flags)",
 	"create index voicemail_msgs_idx7 on voicemail_msgs(forwarded_by)",
+	"create index voicemail_msgs_idx8 on voicemail_msgs(read_epoch)",
+	"create index voicemail_msgs_idx9 on voicemail_msgs(flags)",
 	"create index voicemail_prefs_idx1 on voicemail_prefs(username)",
 	"create index voicemail_prefs_idx2 on voicemail_prefs(domain)",
 	NULL