Craig Small 617a4d0f70 library: Add space after days for uptime
Uptime output for both w and uptime command were showing no
comma or space after days.

$ ./uptime
 18:32:21 up 22 days7 min,  6 users,  load average: 0.23, 0.46, 0.64

Minor tweak to fix this.
2015-09-07 18:38:39 +10:00
..
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