Fix data race introduced on 605d9d08

This commit will fix a data race introduced on 605d9d08 and also
make sure travis CI will now check for data races.

1 files changed, 0 insertions, 1 deletions

diff --git a/sqlite3.go b/sqlite3.go
index ac069e3..9b55ef1 100644
--- a/sqlite3.go
+++ b/sqlite3.go
@@ -847,7 +847,6 @@ func (rc *SQLiteRows) Close() error {
 	}
 	if rc.done != nil {
 		close(rc.done)
-		rc.done = nil
 	}
 	if rc.cls {
 		return rc.s.Close()