[examples] reset on folder click

`continue` after clicking a new folder

examples/core/core_directory_files.c

@@ -81,6 +81,7 @@ int main(void)
                         strcpy(directory, files.paths[i]);
                         UnloadDirectoryFiles(files);
                         files = LoadDirectoryFiles(directory);
+                        continue;
                     }
                 }