Fix issue 740.

NEWS.mdtext

@@ -55,6 +55,8 @@ or newer to properly run this version of Indefero!
 - Avatar URL generation use correctly the configuration (issue 732)
 - The SyncGit plugin no longer fails to remove a non-existing post-update hook
   on repository creation (issue 752)
+- When uploading a project logo, an existing uploaded file with the same name
+  no longer leads to an error, but is simple overwritten (fixes issue 740)
 - The error detection and reporting in the SyncMonotone plugin has been improved
 - The branch links users of the Subversion frontend get when they enter a wrong
   revision are fixed; this list is now also only displayed (for any SCM) if

src/IDF/Form/ProjectConf.php

@@ -67,6 +67,7 @@ class IDF_Form_ProjectConf extends Pluf_Form
                                                          'move_function_params' =>
                                                          array('upload_path' => $upload_path,
                                                                'upload_path_create' => true,
+                                                               'upload_overwrite' => true,
                                                                'file_name' => $filename,
                                                                )
                                                          ));