replaced call mc_config_del_param to mc_config_del_key

Signed-off-by: Ilia Maslakov <il.smind@gmail.com>

src/filemanager/find.c

@@ -294,7 +294,7 @@ find_load_options (void)
 
     /* Back compatibility: try load old parameter at first */
     ignore_dirs = mc_config_get_string (mc_main_config, "Misc", "find_ignore_dirs", "");
-    mc_config_del_param (mc_main_config, "Misc", "find_ignore_dirs");
+    mc_config_del_key (mc_main_config, "Misc", "find_ignore_dirs");
 
     /* Then load new parameters */
     options.ignore_dirs = mc_config_get_string (mc_main_config, "FindFile", "ignore_dirs", "");