bugfix: equals comparing a field with itself

Change-Id: I02df9a7ca3788bf736edb89e39215992e2d6c375

@@ -241,7 +241,7 @@ public class PIMAddrGroup {
             return false;
         }
         final PIMAddrGroup other = (PIMAddrGroup) obj;
-        if (this.family != this.family) {
+        if (this.family != other.family) {
             return false;
         }
 

@@ -265,7 +265,7 @@ public class PIMAddrSource {
             return false;
         }
         final PIMAddrSource other = (PIMAddrSource) obj;
-        if (this.family != this.family) {
+        if (this.family != other.family) {
             return false;
         }
 

@@ -166,7 +166,7 @@ public class PIMAddrUnicast {
             return false;
         }
         final PIMAddrUnicast other = (PIMAddrUnicast) obj;
-        if (this.family != this.family) {
+        if (this.family != other.family) {
             return false;
         }