[glib/wip/mjog/log-structured-example-wrong] Fix g_log_structured_array example call in docs

[Michael Gratton <mjog src gnome org>]

commit fa843ff0702e79a2d008779346ebc34472228d1d
Author: Michael Gratton <mike vee net>
Date:   Sat Jun 29 15:09:27 2019 +1000

    Fix g_log_structured_array example call in docs
    
    The MESSAGE field must always be last for both g_log_structured and
    g_log_structured_array, but the code example for the latter shows it
    first, which is invalid.

 glib/gmessages.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/glib/gmessages.c b/glib/gmessages.c
index 0210b7a8e..c8bc28c16 100644
--- a/glib/gmessages.c
+++ b/glib/gmessages.c
@@ -1632,10 +1632,10 @@ done_query:
  * For example:
  * |[<!-- language="C" -->
  * const GLogField fields[] = {
- *   { "MESSAGE", "This is a debug message.", -1 },
  *   { "MESSAGE_ID", "fcfb2e1e65c3494386b74878f1abf893", -1 },
  *   { "MY_APPLICATION_CUSTOM_FIELD", "some debug string", -1 },
  *   { "MY_APPLICATION_STATE", state_object, 0 },
+ *   { "MESSAGE", "This is a debug message.", -1 },
  * };
  * g_log_structured_array (G_LOG_LEVEL_DEBUG, fields, G_N_ELEMENTS (fields));
  * ]|