Added mountpoint functions to sourcefs

src/main.c

@@ -56,6 +56,7 @@ int main(int argc, char *argv[]) {
   ret = fuse_main(argc - 1, argv, get_fuse_operations(), NULL);
 
   free((void *)mountpoint);
+  source_destroy();
   destroy_ui_socket();
   return ret;
 }