Updating .expected to account for new free/deallocation sources.

Author: bdrodes

cpp/ql/test/query-tests/Critical/MemoryFreed/MemoryFreed.expected

@@ -89,6 +89,7 @@
 | test_free.cpp:216:10:216:10 | a |
 | test_free.cpp:220:10:220:10 | a |
 | test_free.cpp:227:24:227:45 | memory_descriptor_list |
+| test_free.cpp:228:16:228:37 | memory_descriptor_list |
 | test_free.cpp:233:14:233:15 | * ... |
 | test_free.cpp:239:14:239:15 | * ... |
 | test_free.cpp:245:10:245:11 | * ... |