[Toybox] problem with printf %.s

[isabella parakiss]

''printf %.s''  should behave like   ''printf %.s''.
It currently behaves like ''printf %s''.

This should produce a 10 characters long line:
$ toybox printf %.s_ {1..10}
1_2_3_4_5_6_7_8_9_10_


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xoxo iza

 1427512872.0