loader: identify_file do really return null is the path does not exists

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/src/loader.nit b/src/loader.nit
index 90404ba..f9f9cf7 100644 (file)
--- a/src/loader.nit
+++ b/src/loader.nit
@@ -374,6 +374,11 @@ redef class ModelBuilder
                        path = candidate
                end
 
+               # Does the file exists?
+               if not path.file_exists then
+                       return null
+               end
+
                # Fast track, the path is already known
                var pn = path.basename(".nit")
                var rp = module_absolute_path(path)