Fix a bug in w32-get-locale-info.

 src/w32proc.c (Fw32_get_locale_info): Fix an off-by-one error in
 last argument of make_unibyte_string.

src/ChangeLog

 2012-06-23  Eli Zaretskii  <eliz@gnu.org>
 
+	* w32proc.c (Fw32_get_locale_info): Fix an off-by-one error in
+	last argument of make_unibyte_string.
+
 	* keyboard.c (kbd_buffer_get_event): Include the codepage and the
 	language ID in the event parameters.
 

src/w32proc.c

@@ -1949,8 +1949,12 @@ If LCID (a 16-bit number) is not a valid locale, the result is nil.  */)
       got_full = GetLocaleInfo (XINT (lcid),
 				XINT (longform),
 				full_name, sizeof (full_name));
+      /* GetLocaleInfo's return value includes the terminating null
+	 character, when the returned information is a string, whereas
+	 make_unibyte_string needs the string length without the
+	 terminating null.  */
       if (got_full)
-	return make_unibyte_string (full_name, got_full);
+	return make_unibyte_string (full_name, got_full - 1);
     }
 
   return Qnil;