svm: more fifo refactor/cleanup

Change-Id: Ie76c69641c8598164d0d00fd498018037258fd86
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vnet/session-apps/http_server.c b/src/vnet/session-apps/http_server.c
index c7e06bf..ace3c75 100644
--- a/src/vnet/session-apps/http_server.c
+++ b/src/vnet/session-apps/http_server.c
@@ -310,7 +310,7 @@
     {
       int actual_transfer;
 
-      actual_transfer = svm_fifo_enqueue_nowait
+      actual_transfer = svm_fifo_enqueue
 	(hs->tx_fifo, bytes_to_send, data + offset);
 
       /* Made any progress? */