Bug#632633: Alternate loop breaker.

[Mats Erik Andersson]

Is there some particular reason why the simple
while loop tests

    while (count-- > 0) {
       fprintf(stderr, "=");
    }

and

    while (width-- > 0) {
       fprintf(stderr, " ");
    }

would not work properly? The insertions "> 0" are
new in relation to the public software. This make
the while loops trivially skipped for negative
parameters.

Would

    width = abs(misc_screen_width());

and 

    count = abs(width * gauge->value / 100);

improve robustness?



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