Correct drug Date ordered (#367)

Correct drug  Date ordered (#367)

Author: dbaluku

api/src/main/java/org/openmrs/module/ugandaemrreports/api/db/hibernate/HibernateUgandaEMRReportsDAO.java

@@ -296,7 +296,7 @@ public Map<Integer, Map<String, Object>> getDrugOrderByIndication(org.openmrs.co
 			Object drug = rowArray[1];
 			row.put("drug", drug);
 			Object encounter_date = rowArray[2];
-			row.put("drug_date_ordered",encounter_date);
+			row.put("drug_date_ordered",String.valueOf(encounter_date));
 			Object dose = rowArray[3];
 			row.put("dose",dose);
 			Object quantity = rowArray[4];