fixing issue where after a user changed their username, the new name was not reindexed by Reds

src/database/redis.js

@@ -115,7 +115,7 @@
 		}
 	}
 
-	module.searchRemove = function(key, id) {
+	module.searchRemove = function(key, id, callback) {
 		if(key === 'post') {
 			postSearch.remove(id);
 		} else if(key === 'topic') {
@@ -123,6 +123,10 @@
 		} else if(key === 'user') {
 			userSearch.remove(id);
 		}
+
+		if (typeof callback === 'function') {
+			callback()
+		}
 	}
 
 	module.flushdb = function(callback) {