printf: make integer format strings print long long-sized values.

function                                             old     new   delta
printf_main                                          668     834    +166
bb_strtoll                                             -      84     +84
print_direc                                          391     431     +40
conv_strtoull                                          -      19     +19
conv_strtoll                                           -      19     +19
conv_strtoul                                          16       -     -16
conv_strtol                                           16       -     -16
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(add/remove: 4/2 grow/shrink: 2/0 up/down: 342/-32)           Total: 296 bytes

1 file changed