From 1f1b1fb303bd782c2719237ef7eec18268babad9 Mon Sep 17 00:00:00 2001
From: John Darrington <john@darrington.wattle.id.au>
Date: Sat, 26 Dec 2020 09:34:41 +0100
Subject: [PATCH] Fix compiler warning

---
 src/math/merge.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/math/merge.c b/src/math/merge.c
index 45ae607062..b5745ceeea 100644
--- a/src/math/merge.c
+++ b/src/math/merge.c
@@ -86,7 +86,7 @@ merge_append (struct merge *m, struct casereader *r)
 struct casereader *
 merge_make_reader (struct merge *m)
 {
-  struct casereader *r;
+  struct casereader *r = NULL;
 
   if (m->input_cnt > 1)
     do_merge (m);
-- 
2.30.2