Bug fixed in fx__rndStr function

  CHARSTRING fx__rndStr() {

    static const char alphanum[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";

    char s[10] = { 0 };

    for (int i = 0; i < 10; ++i) {

      s[i] = alphanum[rand() % (sizeof(alphanum) - 10)];

    static int length = 10;

    char s[length] = { 0 };

    for (int i = 0; i < length - 1; ++i) {

      s[i] = alphanum[rand() % (sizeof(alphanum) - 1)];

    } // End of 'for' statement

    return CHARSTRING(s);

  };