Use #ifdef instead of #if
@@ -66,7 +66,7 @@ int ugly_log(int level, const char *tag, const char *format, ...) {
* - LIBUSB_LOG_LEVEL_DEBUG (4) : debug and informational messages are printed to stderr
*/
int ugly_libusb_log_level(enum ugly_loglevel v) {
-#if __FreeBSD__
+#ifdef __FreeBSD__
// FreeBSD includes its own reimplementation of libusb.
// Its libusb_set_debug() function expects a lib_debug_level
// instead of a lib_log_level and is verbose enough to drown out
