Rename function

lib/cartodb/controllers/map.js

@@ -84,7 +84,7 @@ MapController.prototype.composeCreateMapMiddleware = function ({ useTemplate = f
         this.setLastUpdatedTimeToLayergroup(),
         this.setCacheControl(),
         this.setLayerStats(),
-        this.setLayergroupIdHeaderBuilder(useTemplateHash),
+        this.setLayergroupIdHeader(useTemplateHash),
         this.setDataviewsAndWidgetsUrlsToLayergroupMetadata(),
         this.setAnalysesMetadataToLayergroup(includeQuery),
         this.setTurboCartoMetadataToLayergroup(),
@@ -411,7 +411,7 @@ MapController.prototype.setLayerStats = function () {
     }.bind(this);
 };
 
-MapController.prototype.setLayergroupIdHeaderBuilder = function (useTemplateHash) {
+MapController.prototype.setLayergroupIdHeader = function (useTemplateHash) {
     return function setLayergroupIdHeaderMiddleware (req, res, next) {
         const { layergroup, user, template } = res.locals;
 
@@ -423,7 +423,7 @@ MapController.prototype.setLayergroupIdHeaderBuilder = function (useTemplateHash
         res.set('X-Layergroup-Id', layergroup.layergroupid);
 
         next();
-    }.bind();
+    }.bind(this);
 };
 
 MapController.prototype.setDataviewsAndWidgetsUrlsToLayergroupMetadata = function () {