XCBuildConfiguration array field replace ok

Author: seobyeongky

lib/pbxProject.js

@@ -633,7 +633,7 @@ pbxProject.prototype.hasFile = function (filePath) {
 function propReplace(obj, prop, value) {
     for (var p in obj) {
         if (obj.hasOwnProperty(p)) {
-            if (typeof obj[p] == 'object') {
+            if (typeof obj[p] == 'object' && !Array.isArray(obj[p])) {
                 propReplace(obj[p], prop, value);
             } else if (p == prop) {
                 obj[p] = value;