don't closedir(NULL)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@460 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 5 insertions, 2 deletions

diff --git a/uisimulator/tree.c b/uisimulator/tree.c
index 5cbc358842..98e5c027aa 100644
--- a/uisimulator/tree.c
+++ b/uisimulator/tree.c
@@ -53,8 +53,11 @@ struct entry {
 bool is_dir(char* path)
 {
   DIR* dir = opendir(path);
-  closedir(dir);
-  return (dir!=0);
+  if(dir) {
+    closedir(dir);
+    return TRUE;
+  }
+  return FALSE;
 }
 
 int static