[dct] use del_aubio_dct on failure, add missing \n in error message

diff --git a/src/spectral/dct.c b/src/spectral/dct.c
index 4b3a438..bd6ba6c 100644 (file)
--- a/src/spectral/dct.c
+++ b/src/spectral/dct.c
@@ -155,8 +155,8 @@ plain:
     goto beach;
   }
 beach:
-  AUBIO_ERROR("dct: failed creating with size %d, should be > 0", size);
-  AUBIO_FREE (s);
+  AUBIO_ERROR("dct: failed creating with size %d, should be > 0\n", size);
+  del_aubio_dct(s);
   return NULL;
 }