PMI: hotfix for PMI1 support

Based on thread: http://www.open-mpi.org/community/lists/devel/2014/06/index.php

This commit was SVN r31909.

opal/mca/common/pmi/common_pmi.c

@@ -59,6 +59,7 @@ static int mca_initialize_pmi_v2(void)
      * even launched by a PMI server before attempting
      * to use PMI */
     if (NULL == getenv("PMI_FD")) {
+        opal_show_help("help-common-pmi.txt", "pmi2-init-failed", true, rc);
         return OPAL_ERROR;
     }
 
@@ -124,13 +125,6 @@ static int mca_initialize_pmi_v1(void)
     int spawned;
     int rc, ret = OPAL_ERROR;
 
-    /* deal with a Slurm bug by first checking if we were
-     * even launched by a PMI server before attempting
-     * to use PMI */
-    if (NULL == getenv("PMI_FD")) {
-        return OPAL_ERROR;
-    }
-
     if (PMI_SUCCESS != (rc = PMI_Initialized(&initialized))) {
         OPAL_PMI_ERROR(rc, "PMI_Initialized");
         return OPAL_ERROR;