Added secure_proxy_ssl_header to nova.conf

  * The HTTP Header that will be used to determine what the
    original request protocol scheme was, even if it was hidden
    by a SSL termination proxy.

Change-Id: Ide2e0362b7c8fc056bc41c62a227e0537c08f0ba
Related-PROD: PROD-28987
diff --git a/tests/pillar/control_single.sls b/tests/pillar/control_single.sls
index 467d4b0..42300f4 100644
--- a/tests/pillar/control_single.sls
+++ b/tests/pillar/control_single.sls
@@ -26,6 +26,7 @@
     disk_allocation_ratio: 1.0
     workers: 8
     nfs_mount_options: 'vers=3,lookupcache=pos'
+    secure_proxy_ssl_header: HTTP_X_FORWARDED_PROTO
     bind:
       private_address: 127.0.0.1
       public_address: 127.0.0.1