Index: libcfa/src/concurrency/locks.hfa
===================================================================
--- libcfa/src/concurrency/locks.hfa	(revision e39cfb9600d2913db0c35497a4add062646fd88d)
+++ libcfa/src/concurrency/locks.hfa	(revision 1e538fbff26e7d643c0b2a4853be8d6d7d5f8781)
@@ -35,5 +35,5 @@
 #include <linux/futex.h>      /* Definition of FUTEX_* constants */
 #include <sys/syscall.h>      /* Definition of SYS_* constants */
-#include <unistd.h>
+#include <unistd.h>           /* Definition of syscall routine */
 
 typedef void (*__cfa_pre_park)( void * );