haproxy fixes

octoprint_deploy.sh

@@ -404,7 +404,7 @@ EXTRACAM="backend cam${INUM}_$INSTANCE\n\
         if [ -z "$INUM" ]; then
             echo "#cam_$INSTANCE start" >> /etc/haproxy/haproxy.cfg
         fi
-        sed -i "/|#cam_$INSTANCE start|a $EXTRACAM" /etc/haproxy/haproxy.cfg
+        sed -i "\|#cam${INUM}_$INSTANCE start|a $EXTRACAM" /etc/haproxy/haproxy.cfg
         if [ -z "$INUM" ]; then
             echo "#cam_$INSTANCE stop" >> /etc/haproxy/haproxy.cfg
         fi