FS-11926: rename chan var to 'execute_on_fax_close_detect' to prevent it collide…

FS-11926: rename chan var to 'execute_on_fax_close_detect' to prevent it collide with 'execute_on_fax_detect'
(switch_channel_execute_on() would have run them both)

src/mod/applications/mod_spandsp/mod_spandsp_fax.c

@@ -2230,7 +2230,7 @@ static switch_bool_t tone_detect_callback(switch_media_bug_t *bug, void *user_da
 		}
 		break;
 	case SWITCH_ABC_TYPE_CLOSE:
-		switch_channel_execute_on(switch_core_session_get_channel(cont->session), "execute_on_fax_detect_close");
+		switch_channel_execute_on(switch_core_session_get_channel(cont->session), "execute_on_fax_close_detect");
 		break;
 	case SWITCH_ABC_TYPE_READ_REPLACE:
 	case SWITCH_ABC_TYPE_WRITE_REPLACE: