perf_fix

        reader = new BufferedReader(new FileReader(currentClockFile));
        input = reader.readLine();
        reader.close();
        if (clockType == CLOCK_TYPE.MIN || clockType == CLOCK_TYPE.MAX)
            currentValue = (Integer.parseInt(input) / 1000) + " MHz";
        else
            currentValue = input;
        preference.setValue(currentValue);

        if (bootClockFile.exists() && new File(mContext.getDir("eos", Context.MODE_PRIVATE),
                "clocks_on_boot").exists()) {
            reader = new BufferedReader(new FileReader(bootClockFile));
            bootValue = reader.readLine();
            reader.close();
            if (bootValue == null && (clockType == CLOCK_TYPE.MIN || clockType == CLOCK_TYPE.MAX)) {
                bootValue = currentValue;
            } else {
            if (clockType == CLOCK_TYPE.MIN || clockType == CLOCK_TYPE.MAX)
                bootValue = (Integer.parseInt(bootValue) / 1000) + " MHz";
            }
        }
        updatePreferenceSummary(preference, currentValue, bootValue);
    }