Fix for #1832. The stdin for the forked ssh wasn't being closed, so it was

"eating" all the stdin, leaving nothing for mpirun to forward on to the child
process

This commit was SVN r20776.

orte/mca/plm/rsh/plm_rsh_module.c

@@ -757,7 +757,7 @@ static void ssh_child(int argc, char **argv,
     free(var);
     
     /* setup stdin if verbosity is not set */
-    if (0 > opal_output_get_verbosity(orte_plm_globals.output)) {
+    if (0 >= opal_output_get_verbosity(orte_plm_globals.output)) {
         fdin = open("/dev/null", O_RDWR);
         dup2(fdin, 0);
         close(fdin);