Why would Barrier be in the hello world example? Looks like a really

old accidental commit.  :-)

This commit was SVN r25466.

examples/hello_c.c

@@ -18,7 +18,6 @@ int main(int argc, char* argv[])
     MPI_Comm_rank(MPI_COMM_WORLD, &rank);
     MPI_Comm_size(MPI_COMM_WORLD, &size);
     printf("Hello, world, I am %d of %d\n", rank, size);
-    MPI_Barrier(MPI_COMM_WORLD);
     MPI_Finalize();
 
     return 0;