quick_provision: return rc of wget

BUG=None
TEST=None

Change-Id: I12b3ddd31add6a812540849bcd166bd3f238b64b
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/1742904
Tested-by: Congbin Guo <guocb@chromium.org>
Auto-Submit: Congbin Guo <guocb@chromium.org>
Reviewed-by: David Riley <davidriley@chromium.org>
Commit-Queue: Congbin Guo <guocb@chromium.org>
diff --git a/quick-provision/quick-provision b/quick-provision/quick-provision
index 7d8fbbb..bed5985 100644
--- a/quick-provision/quick-provision
+++ b/quick-provision/quick-provision
@@ -132,6 +132,7 @@
   if type wget >/dev/null 2>&1; then
     wget --progress=dot:giga -S --retry-connrefused -O - "${url}" | \
       tee >(md5sum >>"${HASHES_LOG}")
+    return "${PIPESTATUS[0]}"
   else
     curl "${url}"
   fi