mpbarrett: Fix memory leak in early exit from mpbarrett_reduce.

If we exit in the first stage, we leaked q.  This isn't tested, because
I couldn't contrive a test case for it.

diff --git a/mpbarrett.c b/mpbarrett.c
index 8b0ee88..651932a 100644 (file)
--- a/mpbarrett.c
+++ b/mpbarrett.c
@@ -119,6 +119,7 @@ mp *mpbarrett_reduce(mpbarrett *mb, mp *d, mp *m)
       m = MP_COPY(m);
       if (d)
        MP_DROP(d);
+      MP_DROP(q);
       return (m);
     }
   }