fix missing exports

Author: lovasoa

src/api.js

@@ -13,16 +13,15 @@
     UTF8ToString
     stringToUTF8
     lengthBytesUTF8
+    allocate
+    ALLOC_NORMAL
+    allocateUTF8OnStack
+    removeFunction
+    addFunction
 */
 
 "use strict";
 
-/** @external @const @global */ var addFunction;
-/** @external @const @global */ var allocate;
-/** @external @const @global */ var ALLOC_NORMAL;
-/** @external @const @global */ var allocateUTF8OnStack;
-/** @external @const @global */ var removeFunction;
-
 /**
  * @typedef {{Database:Database, Statement:Statement}} SqlJs
  * @property {Database} Database A class that represents an SQLite database

src/exported_runtime_methods.json

@@ -3,5 +3,11 @@
 "stackAlloc",
 "stackSave",
 "stackRestore",
-"UTF8ToString"
+"UTF8ToString",
+
+"allocate",
+"ALLOC_NORMAL",
+"allocateUTF8OnStack",
+"removeFunction",
+"addFunction"
 ]