Fix for loop for C99
> ui/helpers.c:78:2: error: ‘for’ loop initial declarations are only allowed in C99 mode
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@ -75,7 +75,8 @@ char * hex_to_bitmap(char hex_digit) {
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char *bitmap = malloc(5 * sizeof(char));
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bitmap[4] = '\0';
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for(int i = 3; i >= 0; i--) {
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int i;
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for(i = 3; i >= 0; i--) {
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bitmap[i] = digit % 2 ? '1' : '0';
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digit /= 2;
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}
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