Fixed 'Leaking memory.' by deepcode

Author: sea5kg

unit-tests.wsjcpp/src/unit_test_procedure_concat.cpp

@@ -39,6 +39,12 @@ void UnitTestProcedureConcat::executeTest() {
     compare("Var2", pVar2->getValue(), "456");
     compare("Var3", pVar3->getValue(), "789");
     compare("Var4", pVar4->getValue(), "0");
+    
+    delete pProcedureConcat;
+    delete pVar1;
+    delete pVar2;
+    delete pVar3;
+    delete pVar4;
 }
 
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