[glib] Make it compile on Windows.

[Tor Lillqvist <tml src gnome org>]

commit 474ba7dbc37e352d39c0057bd2a31504828dde36
Author: Tor Lillqvist <tml iki fi>
Date:   Tue Jul 7 14:37:45 2009 +0300

    Make it compile on Windows.
    
    Surround a symlink-related code snippet with ifdef S_ISLNK.

 gio/glocalfileinfo.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gio/glocalfileinfo.c b/gio/glocalfileinfo.c
index 0c5b12c..72a59b5 100644
--- a/gio/glocalfileinfo.c
+++ b/gio/glocalfileinfo.c
@@ -1530,6 +1530,7 @@ _g_local_file_info_get (const char             *basename,
 #endif
 
   symlink_target = NULL;
+#ifdef S_ISLNK
   if (is_symlink)
     {
       symlink_target = read_link (path);
@@ -1538,7 +1539,7 @@ _g_local_file_info_get (const char             *basename,
                                                 G_FILE_ATTRIBUTE_ID_STANDARD_SYMLINK_TARGET))
         g_file_info_set_symlink_target (info, symlink_target);
     }
-
+#endif
   if (_g_file_attribute_matcher_matches_id (attribute_matcher,
 					    G_FILE_ATTRIBUTE_ID_STANDARD_DISPLAY_NAME))
     {