examples/utils.c: avoid segfault when compiling without sndfile

diff --git a/examples/utils.c b/examples/utils.c
index c891b159d2adff3ce0e16884c79e08e50e855cac..83f2acd711b179186e35fdfc1bee1e5e1adf7e3b 100644 (file)
--- a/examples/utils.c
+++ b/examples/utils.c
@@ -280,10 +280,11 @@ examples_common_init (int argc, char **argv)
 void
 examples_common_del (void)
 {
-  uint_t i;
+#if HAVE_SNDFILE
   del_fvec (ibuf);
   del_fvec (obuf);
   del_fvec (woodblock);
+#endif
   aubio_cleanup ();
 }