Everywhere: Add break after the last case label before default

We already do this in most places, so the style should be consistent.
Also, Clang does not like it, as this could cause an unexpected compile
error if some statements are added to the default label or a new label
is added above it.

Userland/Utilities/du.cpp

@@ -184,6 +184,7 @@ int print_space_usage(const String& path, const DuOption& du_option, int max_dep
             break;
         case DuOption::TimeType::Status:
             time = path_stat.st_ctime;
+            break;
         default:
             break;
         }