FormField::_createWidget: Rename parameter to fix shadow warning
diff --git a/poppler/Form.cc b/poppler/Form.cc
index c9ba3a7..b3aed72 100644
--- a/poppler/Form.cc
+++ b/poppler/Form.cc
@@ -799,7 +799,7 @@
   }
 }
 
-void FormField::_createWidget (Object *obj, Ref aref)
+void FormField::_createWidget (Object *objA, Ref aref)
 {
   terminal = true;
   numChildren++;
@@ -807,16 +807,16 @@
   //ID = index in "widgets" table
   switch (type) {
   case formButton:
-    widgets[numChildren-1] = new FormWidgetButton(doc, obj, numChildren-1, aref, this);
+    widgets[numChildren-1] = new FormWidgetButton(doc, objA, numChildren-1, aref, this);
     break;
   case formText:
-    widgets[numChildren-1] = new FormWidgetText(doc, obj, numChildren-1, aref, this);
+    widgets[numChildren-1] = new FormWidgetText(doc, objA, numChildren-1, aref, this);
     break;
   case formChoice:
-    widgets[numChildren-1] = new FormWidgetChoice(doc, obj, numChildren-1, aref, this);
+    widgets[numChildren-1] = new FormWidgetChoice(doc, objA, numChildren-1, aref, this);
     break;
   case formSignature:
-    widgets[numChildren-1] = new FormWidgetSignature(doc, obj, numChildren-1, aref, this);
+    widgets[numChildren-1] = new FormWidgetSignature(doc, objA, numChildren-1, aref, this);
     break;
   default:
     error(errSyntaxWarning, -1, "SubType on non-terminal field, invalid document?");