fftpack: fix import

kortschak · kortschak · commit cd55bf4917cb · 2018-04-16T10:43:50.000+09:30
diff --git a/fourier/internal/fftpack/fftpack_test.go b/fourier/internal/fftpack/fftpack_test.go
@@ -14,7 +14,7 @@ import (
 	"reflect"
 	"testing"
 
-	"github.com/gonum/floats"
+	"gonum.org/v1/gonum/floats"
 )
 
 func TestRfft(t *testing.T) {
