Issue 4127 - [emscripten] Convert subscription classes to C++ - Part 1

compiled/String.h

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2017 eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 365 matching lines @@
   void append(T num)
   {
     bool negative = false;
     if (num < 0)
     {
       negative = true;
       num = -num;
     }
 
     size_type size = 0;
-    for (int i = num; i; i /= 10)
+    for (T i = num; i; i /= 10)
       size++;
     size = (size ? size : 1);
 
     size_type pos = length();
     grow((negative ? 1 : 0) + size);
 
     if (negative)
       mBuf[pos++] = '-';
 
     for (int i = size - 1; i >= 0; i--)
     {
       mBuf[pos + i] = '0' + (num % 10);
       num /= 10;
     }
   }
 };