[VOL-5486] Fix deprecated versions

Change-Id: If0b888d6c2f33b2f415c8b03b08dc994bb3df3f4
Signed-off-by: Abhay Kumar <abhay.kumar@radisys.com>
diff --git a/vendor/github.com/mattn/go-isatty/doc.go b/vendor/github.com/mattn/go-isatty/doc.go
new file mode 100644
index 0000000..17d4f90
--- /dev/null
+++ b/vendor/github.com/mattn/go-isatty/doc.go
@@ -0,0 +1,2 @@
+// Package isatty implements interface to isatty
+package isatty