test: drop unused parameters from test's main()

Not needed, so let's get rid of the compiler warning.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>

test/test-main.c

@@ -68,7 +68,7 @@ is_debugger_attached(void)
 	return rc;
 }
 
-int main(int argc, char **argv)
+int main(void)
 {
 	const struct rlimit corelimit = {0, 0};
 	int failed;