[geocode-glib] Only expose _NL_ADDRESS_POSTAL_FMT on __GNUC__

[Jonas Danielsson <jonasdn src gnome org>]

commit 005075f6a28c18f5196ba60ff07b888776af6dfc
Author: Jonas Danielsson <jonas threetimestwo org>
Date:   Thu Jan 8 03:15:26 2015 -0500

    Only expose _NL_ADDRESS_POSTAL_FMT on __GNUC__

 geocode-glib/geocode-glib.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/geocode-glib/geocode-glib.c b/geocode-glib/geocode-glib.c
index 595b9a6..a0673c3 100644
--- a/geocode-glib/geocode-glib.c
+++ b/geocode-glib/geocode-glib.c
@@ -190,6 +190,7 @@ _geocode_object_get_lang (void)
        return geocode_object_get_lang_for_locale (setlocale (LC_MESSAGES, NULL));
 }
 
+#ifdef __GNUC__
 static gpointer
 is_number_after_street (gpointer data)
 {
@@ -217,6 +218,7 @@ is_number_after_street (gpointer data)
  out:
        return GINT_TO_POINTER (retval);
 }
+#endif
 
 gboolean
 _geocode_object_is_number_after_street (void)