ENH: optimize media file user interface

Change-Id: Ic16133fd366fcbf41dd0c9535907786754186857

src/libslic3r/AppConfig.cpp

@@ -288,7 +288,7 @@ void AppConfig::set_defaults()
     if (get("backup_interval").empty()) {
         set("backup_interval", "10");
     }
-
+    
     if (get("curr_bed_type").empty()) {
         set("curr_bed_type", "0");
     }