unimotion: fix warning

diff --git a/modules/control/unimotion.h b/modules/control/unimotion.h
index 4c7118a60bbe5e3d3d1bc05192dd01b1478a45f6..347cba7a2bb8c0c6cdeeb11f022bae28f31c3d42 100644 (file)
--- a/modules/control/unimotion.h
+++ b/modules/control/unimotion.h
@@ -35,7 +35,7 @@ enum sms_hardware {
 // prototypes for the functions in unimotion.c
 
 // returns the value of SMS hardware present or unknown if no hardware is detected
-int detect_sms();
+int detect_sms(void);
 
 // use the value returned from detect_sms as the type
 // these functinos return 1 on success and 0 on failure