[gnumeric] DAYS: Fix swapped arguments.

[Morten Welinder <mortenw src gnome org>]

commit 8db248e202df821c5f180d400076bc5f7f3c9cab
Author: Morten Welinder <terra gnome org>
Date:   Wed Apr 24 14:10:09 2013 -0400

    DAYS: Fix swapped arguments.

 NEWS                        |    1 +
 plugins/fn-date/functions.c |    4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/NEWS b/NEWS
index f50366a..50123c5 100644
--- a/NEWS
+++ b/NEWS
@@ -69,6 +69,7 @@ Morten:
        * Fix failed-read focus problem.  [#625687]
        * Fix critical.  [#698680]
        * Fix type problems with glib timers.
+       * Fix swapped arguments in DAYS.  [#698772]
 
 --------------------------------------------------------------------------
 Gnumeric 1.12.1
diff --git a/plugins/fn-date/functions.c b/plugins/fn-date/functions.c
index 51a6ab1..842176d 100644
--- a/plugins/fn-date/functions.c
+++ b/plugins/fn-date/functions.c
@@ -1286,8 +1286,8 @@ gnumeric_yearfrac (GnmFuncEvalInfo *ei, GnmValue const * const *argv)
 
 static GnmFuncHelp const help_days[] = {
         { GNM_FUNC_HELP_NAME, F_("DAYS:difference between dates in days") },
-        { GNM_FUNC_HELP_ARG, F_("start_date:starting date serial value")},
         { GNM_FUNC_HELP_ARG, F_("end_date:ending date serial value")},
+        { GNM_FUNC_HELP_ARG, F_("start_date:starting date serial value")},
        { GNM_FUNC_HELP_DESCRIPTION, F_("DAYS returns the positive or negative number of days from 
@{start_date} to @{end_date}.") },
        { GNM_FUNC_HELP_ODF, F_("This function is OpenFormula compatible.") },
         { GNM_FUNC_HELP_EXAMPLES, "=DAYS(DATE(2003,2,3),DATE(2007,4,2))" },
@@ -1311,7 +1311,7 @@ gnumeric_days (GnmFuncEvalInfo *ei, GnmValue const * const *argv)
        go_date_serial_to_g (&d1, date1, conv);
        go_date_serial_to_g (&d2, date2, conv);
 
-       return value_new_int (g_date_days_between (&d1, &d2));
+       return value_new_int (g_date_days_between (&d2, &d1));
 }
 
 /***************************************************************************/