Bug(Identity-API) : Edit Family Tagging Null condition Added (#98)

* AMM-1217

* removed unused imports

* removed unused imports

* AMM-1252

* swagger changes

* bug(Identity-API) Edit family tagging null condition added

Author: ravishanigarapu

src/main/java/com/iemr/common/identity/service/familyTagging/FamilyTagServiceImpl.java

@@ -157,7 +157,7 @@ public String editFamilyDetails(String request) throws IEMRException {
 			if (benFamilyRS != null) {
 				if (benFamilyObj.getIsHeadOfTheFamily() != null
 						&& benFamilyObj.getMemberName() != null) {
-					if(benFamilyRS.getFamilyHeadName().trim().equals(benFamilyObj.getMemberName().trim()) && Boolean.TRUE.equals(!benFamilyObj.getIsHeadOfTheFamily()))
+					if(null != benFamilyRS.getFamilyHeadName() && benFamilyRS.getFamilyHeadName().trim().equals(benFamilyObj.getMemberName().trim()) && Boolean.TRUE.equals(!benFamilyObj.getIsHeadOfTheFamily()))
 						benFamilyRS.setFamilyHeadName("");
 					else 
 						benFamilyRS.setFamilyHeadName(benFamilyObj.getMemberName());