Deregister event handlers only on final call to finalize. Ensure we pass PMIx mca params

Signed-off-by: Ralph Castain <rhc@open-mpi.org>

opal/mca/pmix/pmix2x/pmix2x_client.c

@@ -168,7 +168,7 @@ int pmix2x_client_finalize(void)
     OPAL_PMIX_ACQUIRE_THREAD(&opal_pmix_base.lock);
     --opal_pmix_base.initialized;
 
-    if (0 < opal_pmix_base.initialized) {
+    if (0 == opal_pmix_base.initialized) {
         /* deregister all event handlers */
         OPAL_LIST_FOREACH_SAFE(event, ev2, &mca_pmix_pmix2x_component.events, opal_pmix2x_event_t) {
             OPAL_PMIX_DESTRUCT_LOCK(&event->lock);

orte/mca/schizo/ompi/schizo_ompi.c

@@ -691,7 +691,8 @@ static int parse_env(char *path,
     }
 
     for (i = 0; NULL != srcenv[i]; ++i) {
-        if (0 == strncmp("OMPI_", srcenv[i], 5)) {
+        if (0 == strncmp("OMPI_", srcenv[i], 5) ||
+            0 == strncmp("PMIX_", srcenv[i], 5)) {
             /* check for duplicate in app->env - this
              * would have been placed there by the
              * cmd line processor. By convention, we