[gtk/gtk-3-24] [GtkSearchEngineQuartz]Don't create file paths from NULL.

[John Ralls <jralls src gnome org>]

commit 942a2dede5b47fd5e226db1c89875e1bbff350ca
Author: John Ralls <jralls ceridwen us>
Date:   Mon Mar 11 17:55:10 2019 -0700

    [GtkSearchEngineQuartz]Don't create file paths from NULL.

 gtk/gtksearchenginequartz.c | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/gtk/gtksearchenginequartz.c b/gtk/gtksearchenginequartz.c
index c260b51025..60d7b62c22 100644
--- a/gtk/gtksearchenginequartz.c
+++ b/gtk/gtksearchenginequartz.c
@@ -88,6 +88,10 @@ G_DEFINE_TYPE_WITH_PRIVATE (GtkSearchEngineQuartz, _gtk_search_engine_quartz, GT
       GtkSearchHit *hit;
 
       result_path = [[result valueForAttribute:@"kMDItemPath"] UTF8String];
+
+      if (result_path == NULL)
+        continue;
+
       file = g_file_new_for_path (result_path);
 
       hit = g_new (GtkSearchHit, 1);