[gnumeric] ssdiff: keep xml sections open as long as possible

[Morten Welinder <mortenw src gnome org>]

commit 5f983738a8ad541790cb822b5a48662bdf3874cf
Author: Morten Welinder <terra gnome org>
Date:   Mon Dec 4 07:36:34 2017 -0500

    ssdiff: keep xml sections open as long as possible

 src/ssdiff.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/ssdiff.c b/src/ssdiff.c
index be2bb9d..a3ff16a 100644
--- a/src/ssdiff.c
+++ b/src/ssdiff.c
@@ -372,6 +372,8 @@ xml_close_section (GnmDiffState *state)
 static void
 xml_open_section (GnmDiffState *state, const char *section)
 {
+       if (state->open_section && g_str_equal (section, state->open_section))
+               return;
 
        xml_close_section (state);
        gsf_xml_out_start_element (state->xml, section);