void as argument to be a correct prototype

diff --git a/ykcore/ykcore.h b/ykcore/ykcore.h
index 5251ea03c50e25cf93ce5c30b6ae0d026dfe6e4d..dace4b691ceea1e85f02253ea9bcec7c947b2a69 100644 (file)
--- a/ykcore/ykcore.h
+++ b/ykcore/ykcore.h
@@ -130,7 +130,7 @@ const char *yk_strerror(int errnum);
 /* The following function is only useful if yk_errno == YK_EUSBERR and
    no other USB-related operations have been performed since the time of
    error.  */
-const char *yk_usb_strerror();
+const char *yk_usb_strerror(void);
 
 #define YK_EUSBERR     0x01    /* USB error reporting should be used */
 #define YK_EWRONGSIZ   0x02