MSVC compatiblity: Array initialization in MSVC requires a constant, not a variable.

That is, gcc accepts a constant variable in many cases now, but
MSVC doesn't accept it. So it must be turned into an old preprocessor
define.

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@18750 57a11ea4-9604-0410-9ed3-97b8803252fd

src/backend/xml/gnc-backend-xml.c

@@ -363,10 +363,12 @@ xml_destroy_backend(QofBackend *be)
    "file.YYYYMMDDHHMMSS.xac" where YYYYMMDDHHMMSS is replaced with the
    current year/month/day/hour/minute/second. */
 
+/* The variable buf_size must be a compile-time constant */
+#define buf_size 1024
+
 static gboolean
 copy_file(const char *orig, const char *bkup)
 {
-    static int buf_size = 1024;
     char buf[buf_size];
     int orig_fd;
     int bkup_fd;

src/engine/Recurrence.c

@@ -555,13 +555,14 @@ _weekly_list_to_compact_string(GList *rs, GString *buf)
     }
 }
 
+/* A constant is needed for the array size */
+#define abbrev_day_name_bufsize 10
 static void
 _monthly_append_when(Recurrence *r, GString *buf)
 {
     GDate date = recurrenceGetDate(r);
     if (recurrenceGetPeriodType(r) == PERIOD_LAST_WEEKDAY)
     {
-        gint abbrev_day_name_bufsize = 10;
         gchar day_name_buf[abbrev_day_name_bufsize];
 
         gnc_dow_abbrev(day_name_buf, abbrev_day_name_bufsize, g_date_get_weekday(&date) % 7);