revert change to TLV_TYPE_MIGRATE_LEN in rapid7#7856

Author: jmartin-tech

lib/rex/post/meterpreter/packet.rb

@@ -195,7 +195,7 @@ def inspect
       when TLV_TYPE_LIBRARY_PATH; "LIBRARY-PATH"
       when TLV_TYPE_TARGET_PATH; "TARGET-PATH"
       when TLV_TYPE_MIGRATE_PID; "MIGRATE-PID"
-      when TLV_TYPE_MIGRATE_PAYLOAD_LEN; "MIGRATE-PAYLOAD-LEN"
+      when TLV_TYPE_MIGRATE_LEN; "MIGRATE-LEN"
       when TLV_TYPE_MIGRATE_PAYLOAD; "MIGRATE-PAYLOAD"
       when TLV_TYPE_MIGRATE_ARCH; "MIGRATE-ARCH"
       when TLV_TYPE_MIGRATE_BASE_ADDR; "MIGRATE-BASE-ADDR"