lib: kill one warning

ae7cc972 · Alessandro Rubini · b8be5834 · ae7cc972
Commit ae7cc972 authored May 15, 2012 by Alessandro Rubini
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fdelay-pulse.c lib/fdelay-pulse.c +1 -0

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--- a/lib/fdelay-pulse.c
+++ b/lib/fdelay-pulse.c
 /* Simple demo that acts on the time of the first board */
 #include <stdio.h>
+#include <unistd.h>
 #include <stdlib.h>
 #include <string.h>
 #include <errno.h>