[nautilus] file: don't consider all desktop files nautilus links

[Cosimo Cecchi <cosimoc src gnome org>]

commit b241fd28913e87fe01419e4922259949a11c973f
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Wed Mar 7 14:07:47 2012 -0500

    file: don't consider all desktop files nautilus links
    
    Only those which match application/x-desktop directly.

 libnautilus-private/nautilus-file.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/libnautilus-private/nautilus-file.c b/libnautilus-private/nautilus-file.c
index 649db49..e2b14a7 100644
--- a/libnautilus-private/nautilus-file.c
+++ b/libnautilus-private/nautilus-file.c
@@ -6791,9 +6791,11 @@ nautilus_file_get_symbolic_link_target_uri (NautilusFile *file)
 gboolean
 nautilus_file_is_nautilus_link (NautilusFile *file)
 {
-	/* NOTE: I removed the historical link here, because i don't think we
-	   even detect that mimetype anymore */
-	return nautilus_file_is_mime_type (file, "application/x-desktop");
+	if (file->details->mime_type == NULL) {
+		return FALSE;
+	}
+	return g_content_type_equals (eel_ref_str_peek (file->details->mime_type),
+				      "application/x-desktop");
 }
 
 /**