Rename vpe binary name to avoid collision with latex

Change-Id: I34a46b9ebbc0e36486fbef528b34ea1c3be2e8be
Signed-off-by: Damjan Marion <damarion@cisco.com>
diff --git a/build-root/deb/debian/vpp.upstart b/build-root/deb/debian/vpp.upstart
index ec731d8..c0ff09e 100644
--- a/build-root/deb/debian/vpp.upstart
+++ b/build-root/deb/debian/vpp.upstart
@@ -13,7 +13,7 @@
 
 
 script
-  exec vpe $(cat /etc/vpp/startup.conf | sed -e 's/#.*//')
+  exec vpp -c /etc/vpp/startup.conf
 end script
 
 post-stop script