Added DISPLAY to passed through variables

Change-Id: Ibcc7a32e284b95649c2c05d5e48a41b7dffdb301
diff --git a/tools/bazel b/tools/bazel
index 39951f3..963a3e5 100755
--- a/tools/bazel
+++ b/tools/bazel
@@ -86,6 +86,7 @@
       HOME="${HOME}" \
       LOGNAME="${LOGNAME}" \
       TERM="${TERM}" \
+      DISPLAY="${DISPLAY}" \
       "${VERSION_BAZEL}-real" "$@"
 fi
 if [[ -x "${VERSION_BAZEL}" ]]; then
@@ -98,6 +99,7 @@
       HOME="${HOME}" \
       LOGNAME="${LOGNAME}" \
       TERM="${TERM}" \
+      DISPLAY="${DISPLAY}" \
       "${VERSION_BAZEL}" "$@"
 fi