[gnumeric] ssconvert: trigger expression sharing on merge.

[Morten Welinder <mortenw src gnome org>]

commit 0dd602940abdad81b2c2fda7ed3daf4c7fa4c572
Author: Morten Welinder <terra gnome org>
Date:   Sun Jun 14 09:06:02 2020 -0400

    ssconvert: trigger expression sharing on merge.

 ChangeLog       | 5 +++++
 src/ssconvert.c | 3 +++
 2 files changed, 8 insertions(+)
---
diff --git a/ChangeLog b/ChangeLog
index 912fbf48f..4342a2642 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2020-06-14  Morten Welinder  <terra gnome org>
+
+       * src/ssconvert.c (merge): Trigger expression sharing for merged
+       workbook.
+
 2020-06-12  Morten Welinder  <terra gnome org>
 
        * src/xml-sax-read.c (xml_sax_cell): Relax sanity check a bit.
diff --git a/src/ssconvert.c b/src/ssconvert.c
index 693c36457..4940ea15a 100644
--- a/src/ssconvert.c
+++ b/src/ssconvert.c
@@ -662,6 +662,9 @@ merge (Workbook *wb, char const *inputs[],
        }
 
        g_slist_free_full (wbs, g_object_unref);
+
+       workbook_share_expressions (wb, TRUE);
+
        return result;
 }