feat(rollback-storage): remove extraneous else block and fix type in records_test

cmd/tiller/release_server.go

@@ -181,16 +181,16 @@ func (s *releaseServer) GetReleaseStatus(c ctx.Context, req *services.GetRelease
 	}
 
 	var rel *release.Release
+	var err error
+
 	if req.Version <= 0 {
-		var err error
 		if rel, err = s.env.Releases.Deployed(req.Name); err != nil {
 			return nil, err
 		}
-	} else {
-		var err error
-		if rel, err = s.env.Releases.Get(req.Name, req.Version); err != nil {
-			return nil, err
-		}
+	}
+
+	if rel, err = s.env.Releases.Get(req.Name, req.Version); err != nil {
+		return nil, err
 	}
 
 	if rel.Info == nil {

pkg/storage/driver/records_test.go

@@ -65,7 +65,7 @@ func TestRecordsRemove(t *testing.T) {
 	}{
 		{"remove valid key", "rls-a.v1", false},
 		{"remove invalid key", "rls-a.v", true},
-		{"remove non-existant key", "rls-z.v1", true},
+		{"remove non-existent key", "rls-z.v1", true},
 	}
 
 	rs := records([]*record{