[Toybox] typo in most recent commit?

[mtsl8 at widemage.net]

3dae8ebfe590a1b3ae86d2dc9d3e206357fd2eba
lib/xwrap.c
393 -    if (to_stdin && *to_stdin) writeall(*pipe, tos_tdin, 
strlen(to_stdin));
     +    if (to_stdin && *to_stdin) writeall(*pipe, to_stdin, 
strlen(to_stdin));