X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Fmerge.c;h=b5745ceeea062f21ad061882814101df8d497ab8;hb=9aa6503e5f9407f221999e19901d5f437bcd2981;hp=45ae60706255d0f359f350d7f89f67e9c152bc64;hpb=96994a54e60e9c95b8bba54c2281acf7059b1203;p=pspp

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);