pbxFileReferenceComment(): Re-add file.basename support for backwards compatibility
diff --git a/lib/pbxProject.js b/lib/pbxProject.js
index 65cb10f..6b04eb1 100644
--- a/lib/pbxProject.js
+++ b/lib/pbxProject.js
@@ -1097,7 +1097,7 @@
 }
 
 function pbxFileReferenceComment(file) {
-    return path.basename(file.path);
+    return file.basename || path.basename(file.path);
 }
 
 function pbxNativeTargetComment(target) {