[pbxWriter] fix sections with multiple entries

Author: alunny

lib/pbxWriter.js

@@ -189,19 +189,28 @@ pbxWriter.prototype.writeSectionComment = function (name, begin) {
 }
 
 pbxWriter.prototype.writeSection = function (section) {
-    var id = section.id,
-        comment = section[id + '_comment'],
-        object = section[id];
+    var key, obj, cmt;
+
+    // section should only contain objects
+    for (key in section) {
+        if (COMMENT_KEY.test(key)) continue;
 
-    this.write("%s /* %s */ = {\n", id, comment);
+        cmt = comment(key, section);
+        obj = section[key]
 
-    this.indentLevel++
+        if (cmt) {
+            this.write("%s /* %s */ = {\n", key, cmt);
+        } else {
+            this.write("%s = {\n", key);
+        }
 
-    this.writeObject(object)
+        this.indentLevel++
 
-    this.indentLevel--
+        this.writeObject(obj)
 
-    this.write("};\n");
+        this.indentLevel--
+        this.write("};\n");
+    }
 }
 
 module.exports = pbxWriter;