pbxFile: Added defaultExtension() method for detecting extensions for build products.

Author: sidneys

lib/pbxFile.js

@@ -81,8 +81,15 @@ function detectType(filePath) {
     return type;
 }
 
+function defaultExtension(fileRef) {
+    var extension = EXTENSION_BY_PRODUCTTYPE[fileRef.explicitFileType];
 
+    if (!extension) {
+        return;
+    }
 
+    return extension;
+}
 
 
     // dunno