Index: uspace/lib/libc/generic/io/stream.c
===================================================================
--- uspace/lib/libc/generic/io/stream.c	(revision 975f62fac99fcc98236836b8036fb7e11c351143)
+++ uspace/lib/libc/generic/io/stream.c	(revision 566d798dfacec36587df252b8b9c6dc824d72fa6)
@@ -46,4 +46,5 @@
 #include <unistd.h>
 #include <async.h>
+#include <sys/types.h>
 
 #define FDS 32