Index: uspace/lib/bithenge/include/bithenge/os.h
===================================================================
--- uspace/lib/bithenge/include/bithenge/os.h	(revision 7c3fb9bd77e4d2f6c10517a052e567f176fa91ee)
+++ uspace/lib/bithenge/include/bithenge/os.h	(revision 6c44036225de80ff6c2c43f95480748e8b3892bd)
@@ -33,4 +33,5 @@
 
 #ifdef __HELENOS__
+#include <stdint.h>
 typedef int64_t bithenge_int_t;
 #define BITHENGE_PRId PRId64