Silence compiler warning induced by commit de4389712.

Smarter compilers can see that "slot" can't be used uninitialized,
but some popular ones cannot.  Noted by Jeff Janes.

diff --git a/src/backend/replication/logical/launcher.c b/src/backend/replication/logical/launcher.c
index 965b898ee506aef4eb156f3b9eb6751621fb63f7..549b612e9aeb1128704501c68b2e622ed02814b4 100644 (file)
--- a/src/backend/replication/logical/launcher.c
+++ b/src/backend/replication/logical/launcher.c
@@ -254,7 +254,7 @@ logicalrep_worker_launch(Oid dbid, Oid subid, const char *subname, Oid userid,
        BackgroundWorker        bgw;
        BackgroundWorkerHandle *bgw_handle;
        int                                     i;
-       int                                     slot;
+       int                                     slot = 0;
        LogicalRepWorker   *worker = NULL;
        int                                     nsyncworkers;
        TimestampTz                     now;