pdevs/mpi: fix bug

src/tests/mpi/cluster/main.cpp

@@ -252,7 +252,7 @@ void example_simple(int argc, char *argv[])
 
 int main(int argc, char *argv[])
 {
-  example_simple(argc, argv);
   read();
+  example_simple(argc, argv);
   return 0;
 }