commit bef9e0035464a906dc520f1d135208b537cc65c3
Author: Brian Bockelman <bbockelm@cse.unl.edu>
Date:   Tue Jun 18 20:38:41 2019 -0500

    Free memory for temporary data buffer.
    
    With this, deserializing the macaroon no longer leaks the buffer
    on success.

diff --git a/macaroons.c b/macaroons.c
index ab296c8..d35f6bf 100644
--- a/macaroons.c
+++ b/macaroons.c
@@ -1741,6 +1741,7 @@ macaroon_deserialize(const char* _data, enum macaroon_returncode* err)
         return NULL;
     }
 
+    free(data);
     *err = MACAROON_SUCCESS;
     return M;
 }