Added unit test to explore the deallocation failure.

unit-tests/memory.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+actual=`echo "" | target/psse  2>&1 | tail -2`
+
+alloc=`echo $actual | sed 's/[[:punct:]]/ /g' | awk '{print $4}'`
+dealloc=`echo $actual | sed 's/[[:punct:]]/ /g' | awk '{print $6}'`
+
+if [ "${alloc}" = "${dealloc}" ]
+then
+    echo "OK"
+else
+    echo "Fail: expected '${alloc}', got '${dealloc}'"
+    exit 1
+fi