nl_langinfo: Fix fallback list of month names

[Bruno Haible]

The refactoring done in
https://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=commitdiff;h=fcfce839e791e35b1be8378811d8f82e2b0ca99f
omitted the month name and the abbreviated month name for August.

This patch fixes it.


2024-02-06  Bruno Haible  <bruno@clisp.org>

        nl_langinfo: Fix fallback list of month names (regression 2014-07-07).
        * lib/nl_langinfo.c (nl_langinfo): In the implementation for native
        Windows, fix the results for MON_8..MON_12, ALTMON_8..ALTMON_12,
        ABMON_8..ABMON_12.

diff --git a/lib/nl_langinfo.c b/lib/nl_langinfo.c
index 2a6be82732..64ff93b0cb 100644
--- a/lib/nl_langinfo.c
+++ b/lib/nl_langinfo.c
@@ -462,7 +462,7 @@ nl_langinfo (nl_item item)
     {
       static char const months[][sizeof "September"] = {
         "January", "February", "March", "April", "May", "June", "July",
-        "September", "October", "November", "December"
+        "August", "September", "October", "November", "December"
       };
       case MON_1:
       case MON_2:
@@ -526,7 +526,7 @@ nl_langinfo (nl_item item)
         static char result[12][30];
         static char const abmonths[][sizeof "Jan"] = {
           "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul",
-          "Sep", "Oct", "Nov", "Dec"
+          "Aug", "Sep", "Oct", "Nov", "Dec"
         };
         tmm.tm_mon = item - ABMON_1;
         if (!strftime (buf, sizeof result[0], "%b", &tmm))