[gnumeric] ssdiff: set exit code for col/row diffs.

[Morten Welinder <mortenw src gnome org>]

commit 147bc2943293f282a590cd6a13ad20f208e56399
Author: Morten Welinder <terra gnome org>
Date:   Sun Dec 3 21:35:22 2017 -0500

    ssdiff: set exit code for col/row diffs.

 src/ssdiff.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/src/ssdiff.c b/src/ssdiff.c
index 917bdf8..be2bb9d 100644
--- a/src/ssdiff.c
+++ b/src/ssdiff.c
@@ -989,8 +989,10 @@ diff_sheets_colrow (GnmDiffState *state, Sheet *old_sheet, Sheet *new_sheet, gbo
        ColRowInfo const *new_def = sheet_colrow_get_default (new_sheet, is_cols);
        int i, N;
 
-       if (!colrow_equal (old_def, new_def))
+       if (!colrow_equal (old_def, new_def)) {
+               state->diff_found = TRUE;
                state->actions->colrow_changed (state, old_def, new_def, is_cols, -1);
+       }
 
        N = MIN (colrow_max (is_cols, old_sheet), colrow_max (is_cols, new_sheet));
        for (i = 0; i < N; i++) {
@@ -1001,8 +1003,10 @@ diff_sheets_colrow (GnmDiffState *state, Sheet *old_sheet, Sheet *new_sheet, gbo
                        continue; // Considered equal, even if defaults are different
                if (!ocr) ocr = old_def;
                if (!ncr) ncr = new_def;
-               if (!colrow_equal (ocr, ncr))
+               if (!colrow_equal (ocr, ncr)) {
+                       state->diff_found = TRUE;
                        state->actions->colrow_changed (state, ocr, ncr, is_cols, i);
+               }
        }
 }