tests: fix compiler warning

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/tests/helpers/test_byteswap.c b/tests/helpers/test_byteswap.c
index 7467ed2707c9f876eceb803656e086bed8d48626..0b996e09bff8fd903c424c3162bd5f3fdf37406b 100644 (file)
--- a/tests/helpers/test_byteswap.c
+++ b/tests/helpers/test_byteswap.c
@@ -48,7 +48,7 @@ uint64_t ary64[] = {
        0x0000000000000000, 0x0000000000000000
        };
 
-int main()
+int main(void)
 {
        int     i;
        int     errors = 0;