avoid exceptions when the user's config points to nonexistent directories

gvim-wrapper.py

@@ -46,10 +46,13 @@ def get_server_name(config, fname):
         path = path.replace('\\', '/')
         if path.endswith('/*'):
             path = path[:-2]
+            try:
                 for dirent in os.listdir(path):
                     query_path = os.path.join(path, dirent)
                     if os.path.isdir(query_path) and path_contains_file(query_path, fname):
                         return name.replace('*', dirent)
+            except:
+                pass
         else:
             if path_contains_file(path, fname):
                 return name.replace('*', os.path.basename(path))