set MSG_ASCUSBNODEV always defined
diff --git a/api.c b/api.c
index 88f0f21..31240dd 100644
--- a/api.c
+++ b/api.c
@@ -410,8 +410,8 @@ static const char *JSON_PARAMETER = "parameter";
#define MSG_ASCUNW 112
#define MSG_ASCIDENT 113
#define MSG_ASCNOID 114
-#define MSG_ASCUSBNODEV 115
#endif
+#define MSG_ASCUSBNODEV 115
enum code_severity {
SEVERITY_ERR,