[gnumeric] Style: fix last fix.

[Morten Welinder <mortenw src gnome org>]

commit af937f24da1e3e0c6f051e5c726f6c61db955759
Author: Morten Welinder <terra gnome org>
Date:   Mon Jan 4 16:37:56 2016 -0500

    Style: fix last fix.

 ChangeLog         |    5 +++++
 src/sheet-style.c |   14 ++++++++++++--
 2 files changed, 17 insertions(+), 2 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 9592aa6..d09fd91 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2016-01-04  Morten Welinder  <terra gnome org>
+
+       * src/sheet-style.c (sheet_style_apply_range)
+       (sheet_style_set_range): Silently ignore inverted ranges.
+
 2016-01-03  Morten Welinder  <terra gnome org>
 
        * src/sheet-style.c (sheet_style_apply_range)
diff --git a/src/sheet-style.c b/src/sheet-style.c
index 96efa5f..5201520 100644
--- a/src/sheet-style.c
+++ b/src/sheet-style.c
@@ -1379,7 +1379,12 @@ sheet_style_set_range (Sheet *sheet, GnmRange const *range,
 
        g_return_if_fail (IS_SHEET (sheet));
        g_return_if_fail (range != NULL);
-       g_return_if_fail (range_is_sane (range));
+
+       if (range->start.col > range->end.col ||
+           range->start.row > range->end.row) {
+               gnm_style_unref (style);
+               return;
+       }
 
        r = *range;
        range_ensure_sanity (&r, sheet);
@@ -1770,7 +1775,12 @@ sheet_style_apply_range (Sheet *sheet, GnmRange const *range, GnmStyle *pstyle)
 
        g_return_if_fail (IS_SHEET (sheet));
        g_return_if_fail (range != NULL);
-       g_return_if_fail (range_is_sane (range));
+
+       if (range->start.col > range->end.col ||
+           range->start.row > range->end.row) {
+               gnm_style_unref (pstyle);
+               return;
+       }
 
        r = *range;
        range_ensure_sanity (&r, sheet);