snapshot: Configurations from snapshots are committed.

Signed-off-by: Mathieu Borderé <mathieu.bordere@canonical.com>

Author: Mathieu Borderé

src/snapshot.c

@@ -43,6 +43,8 @@ int snapshotRestore(struct raft *r, struct raft_snapshot *snapshot)
     configurationClose(&r->configuration);
     r->configuration = snapshot->configuration;
     r->configuration_index = snapshot->configuration_index;
+    /* The configuration in the snapshot is by definition committed. */
+    r->configuration_uncommitted_index = 0;
     configurationTrace(r, &r->configuration, "configuration restore from snapshot");
 
     r->commit_index = snapshot->index;