Typo fix from a previous merge. (#560)

DimCitus · web-flow · commit d1f9e4d557b2 · 2020-12-22T17:54:27.000+01:00
Without that we can't do

  $ make build
  $ make interactive-test
diff --git a/Makefile b/Makefile
@@ -1,6 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the PostgreSQL License.
 
+CONTAINER_NAME = pg_auto_failover
 TEST_CONTAINER_NAME = pg_auto_failover_test
 DOCKER_RUN_OPTS = --privileged  -ti --rm
 
