Add new types to indent.pro

Reviewed-by: Rich Salz <rsalz@openssl.org>
diff --git a/util/indent.pro b/util/indent.pro
index 2a51225..4d1bd45 100644
--- a/util/indent.pro
+++ b/util/indent.pro
@@ -725,3 +725,9 @@
 -T int16_t
 -T uint8_t
 -T int8_t
+-T STRINT_PAIR
+-T felem
+-T felem_bytearray
+-T SH_LIST
+-T PACKET
+-T RECORD_LAYER