fixed include

diff --git a/comedi/rt.c b/comedi/rt.c
index 3339f04202c44115c763a0c00a06cdc8a40daca4..7d85652be27bf6b82f578093048d8d14958d3034 100644 (file)
--- a/comedi/rt.c
+++ b/comedi/rt.c
@@ -47,6 +47,7 @@
 
 #ifdef CONFIG_COMEDI_RTL
 #include <rtl_core.h>
+#include <rtl_sync.h>
 
 #define RT_protect()   rtl_make_rt_system_active()
 #define RT_unprotect() rtl_make_rt_system_idle()