term: fix build on freebsd/arm64

Updates golang/go#35182

Change-Id: Ie108dbc04e97d9e120f64686fbf7fe1d51d7de5f
Reviewed-on: https://go-review.googlesource.com/c/term/+/203617
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/go.mod b/go.mod
index 13ae60a..e522191 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,4 @@
 
 go 1.11
 
-require golang.org/x/sys v0.0.0-20191010194322-b09406accb47
+require golang.org/x/sys v0.0.0-20191026070338-33540a1f6037
diff --git a/go.sum b/go.sum
index 9878210..200b6d5 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,4 @@
 golang.org/x/sys v0.0.0-20191010194322-b09406accb47 h1:/XfQ9z7ib8eEJX2hdgFTZJ/ntt0swNk5oYBziWeTCvY=
 golang.org/x/sys v0.0.0-20191010194322-b09406accb47/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191026070338-33540a1f6037 h1:YyJpGZS1sBuBCzLAR1VEpK193GlqGZbnPFnPV/5Rsb4=
+golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=