File source-lacheck.dif of Package texlive.33218

---
 utils/lacheck/lacheck.l |    1 +
 1 file changed, 1 insertion(+)

--- utils/lacheck/lacheck.l
+++ utils/lacheck/lacheck.l	2016-01-28 12:07:17.472961598 +0000
@@ -121,6 +121,7 @@
 
 #include <stdio.h>
 #include <string.h>
+#include <unistd.h>
 
 /* #include <sys/param.h> */