Allow the passing of NULL to orte_plm.kill_local_procs to match what we allow for the equivalent orte_odls call

This commit was SVN r23436.

orte/mca/plm/base/plm_base_orted_cmds.c

@@ -254,14 +254,23 @@ int orte_plm_base_orted_kill_local_procs(opal_pointer_array_t *procs)
     orte_process_name_t peer;
     orte_job_t *daemons;
     orte_proc_t *proc;
-    int32_t num_procs;
+    int32_t num_procs=0;
     
     OPAL_OUTPUT_VERBOSE((5, orte_plm_globals.output,
                          "%s plm:base:orted_cmd sending kill_local_procs cmds",
                          ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
     
+    OBJ_CONSTRUCT(&cmd, opal_buffer_t);
+    
+    /* pack the command */
+    if (ORTE_SUCCESS != (rc = opal_dss.pack(&cmd, &command, 1, ORTE_DAEMON_CMD))) {
+        ORTE_ERROR_LOG(rc);
+        OBJ_DESTRUCT(&cmd);
+        return rc;
+    }
+    
+    if (NULL != procs) {
         /* count the number of procs */
-    num_procs = 0;
         for (v=0; v < procs->size; v++) {
             if (NULL == opal_pointer_array_get_item(procs, v)) {
                 continue;
@@ -276,14 +285,6 @@ int orte_plm_base_orted_kill_local_procs(opal_pointer_array_t *procs)
                                  ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
             return ORTE_SUCCESS;
         }
-    
-    OBJ_CONSTRUCT(&cmd, opal_buffer_t);
-    
-    /* pack the command */
-    if (ORTE_SUCCESS != (rc = opal_dss.pack(&cmd, &command, 1, ORTE_DAEMON_CMD))) {
-        ORTE_ERROR_LOG(rc);
-        OBJ_DESTRUCT(&cmd);
-        return rc;
     }
     
     /* pack the number of procs */
@@ -294,6 +295,7 @@ int orte_plm_base_orted_kill_local_procs(opal_pointer_array_t *procs)
     }
     
     /* pack the proc names */
+    if (NULL != procs) {
         for (v=0; v < procs->size; v++) {
             if (NULL == (proc = (orte_proc_t*)opal_pointer_array_get_item(procs, v))) {
                 continue;
@@ -304,6 +306,7 @@ int orte_plm_base_orted_kill_local_procs(opal_pointer_array_t *procs)
                 return rc;
             }
         }
+    }
     
     /* if we are abnormally ordering the termination, then
      * we do -not- want to use a collective operation to send the