Merge "Remove an uninitialized value."

int expect(const char* expr_str, const char* expected, int* errors) {

    Expr* e;

    int error;

    char* result;

    printf(".");

    int error_count = parse_string(expr_str, &e, &error_count);

    if (error > 0 || error_count > 0) {

    if (error_count > 0) {

        printf("error parsing \"%s\" (%d errors)\n",

               expr_str, error_count);

        ++*errors;