namespaces: include namespaces.h

to be sure that all declarations consistent.
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

namespaces.c

@@ -6,6 +6,7 @@
 #include "uts_ns.h"
 #include "ipc_ns.h"
 #include "mount.h"
+#include "namespaces.h"
 
 int switch_ns(int pid, int type, char *ns)
 {