add missing disambiguateName calls;

ExprPrimaryNodes.py

@@ -410,11 +410,13 @@ class FieldAccessNode(ASTNode):
         self.children.append(self.primary)
         self.children.append(self.ID)
 
-    def disambigName(self):
+    def disambigName(self):    
         if not self.primary: # this implies that the ID has nothing that comes before it
             # helperDisambigName(self.ID)
             self.ID.disambigName()
             # self.right.disambigName()
+        else:
+            self.primary.disambigName()
 
     def checkType(self):
         self.primary.checkType()

LineNodes.py

@@ -204,6 +204,10 @@ class ReturnNode(ASTNode):
 
         self.children.append(self.expr)
 
+    def disambigName(self):
+        if self.expr:
+            self.expr.disambigName()
+
     def checkType(self):
         if self.expr:
             self.expr.checkType()