Index: uspace/srv/fs/fat/fat_dentry.c
===================================================================
--- uspace/srv/fs/fat/fat_dentry.c	(revision b7068da1c1b0f9346acb0d25e3778e57ce5a5e28)
+++ uspace/srv/fs/fat/fat_dentry.c	(revision 6c942e10a02b225eb8ff89d4c66b0974960f4f4c)
@@ -43,4 +43,5 @@
 #include <byteorder.h>
 #include <assert.h>
+#include <unistd.h>
 
 /** Compare path component with the name read from the dentry.