xmlparse.c: Fix extraction of namespace prefix from XML name (#186)
poolCopyString(STRING_POOL *pool, const XML_Char *s)
{
  do {
    if (!poolAppendChar(pool, *s))
      return NULL;
  } while (*s++);
  s = pool->start;
  poolFinish(pool);
  return s;
}

poolCopyString(STRING_POOL *pool, const XML_Char *s)
{
  do {
    if (!poolAppendChar(pool, *s))
      return NULL;
  } while (*s++);
  s = pool->start;
  poolFinish(pool);
  return s;
}
