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.

2 files changed, 1 insertions, 2 deletions

diff --git a/.travis.yml b/.travis.yml
index e85e473..f9798ae 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,4 +10,4 @@ before_install:
   - go get golang.org/x/tools/cmd/cover
 script:
   - $HOME/gopath/bin/goveralls -repotoken 3qJVUE0iQwqnCbmNcDsjYu1nh4J4KIFXx
-  - go test -v . -tags "libsqlite3"
+  - go test -race -v . -tags "libsqlite3"
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()