Fix Windows-to-Linux export error

Now chmod() returns ERR_UNAVAILABLE by default, to signal the caller the problem is lack of support instead of a failed operation.

1 files changed, 1 insertions, 1 deletions

diff --git a/core/os/file_access.h b/core/os/file_access.h
index 455dd1ea99..6fda3d9668 100644
--- a/core/os/file_access.h
+++ b/core/os/file_access.h
@@ -141,7 +141,7 @@ public:
 
 	virtual Error reopen(const String &p_path, int p_mode_flags); ///< does not change the AccessType
 
-	virtual Error _chmod(const String &p_path, int p_mod) { return FAILED; }
+	virtual Error _chmod(const String &p_path, int p_mod) { return ERR_UNAVAILABLE; }
 
 	static FileAccess *create(AccessType p_access); /// Create a file access (for the current platform) this is the only portable way of accessing files.
 	static FileAccess *create_for_path(const String &p_path);