Please fix this compiler warning. I think it came from this patch.
print.c: In function ‘print_aligned_vertical’:
print.c:1354:10: error: pointer targets in passing argument 1 of ‘strlen_max_width’ differ in signedness [-Werror=pointer-sign]
encoding);
^
print.c:126:12: note: expected ‘unsigned char *’ but argument is of type ‘char *’
static int strlen_max_width(unsigned char *str, int *target_width, int encoding);
^