sbc: Fix empty parameter list in usage() declaration

diff --git a/sbc/sbctester.c b/sbc/sbctester.c
index b1e3608..c08c22a 100644 (file)
--- a/sbc/sbctester.c
+++ b/sbc/sbctester.c
@@ -245,7 +245,7 @@ static int check_absolute_diff(SNDFILE * sndref, SF_INFO * infosref,
        return verdict;
 }
 
-static void usage()
+static void usage(void)
 {
        printf("SBC conformance test ver %s\n", VERSION);
        printf("Copyright (c) 2007-2010  Marcel Holtmann\n");