thodg/libgit2

diff --git a/src/transports/smart_protocol.c b/src/transports/smart_protocol.c
index 9bf2883..dd2d27e 100644
--- a/src/transports/smart_protocol.c
+++ b/src/transports/smart_protocol.c
@@ -622,7 +622,9 @@ int git_smart__download_pack(
 			}
 		}
 
-		git__free(pkt);
+		if (pkt) {
+			git_pkt_free(pkt);
+		}
 		if (error < 0)
 			goto done;