[ostree] rofiles-fuse: Handle operations on the root

[Alexander Larsson <alexl src gnome org>]

commit 6c285d2e4ac76e99df848e2dea3cb0633126728a
Author: Alexander Larsson <alexl redhat com>
Date:   Wed Feb 24 12:14:38 2016 +0100

    rofiles-fuse: Handle operations on the root
    
    ENSURE_RELPATH breaks when path is "/". In that case we need
    to return "." instead of "".
    
    https://bugzilla.gnome.org/show_bug.cgi?id=762596

 src/rofiles-fuse/main.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/src/rofiles-fuse/main.c b/src/rofiles-fuse/main.c
index 4337f00..3c910f1 100644
--- a/src/rofiles-fuse/main.c
+++ b/src/rofiles-fuse/main.c
@@ -46,7 +46,10 @@ static GHashTable *created_devino_hash = NULL;
 static inline const char *
 ENSURE_RELPATH (const char *path)
 {
-  return path + strspn (path, "/");
+  path = path + strspn (path, "/");
+  if (*path == 0)
+    return ".";
+  return path;
 }
 
 typedef struct {